anchor.diff:  http://www.swyddfa.cymru.gov.uk/2012/09/18/comisiwn-silk-yn-hysbysu-ysgrifennydd-cymru-am-y-datblygiadau,,410
   http://www.swyddfa.cymru.gov.uk/2012/09/19/gweinidog-swyddfa-cymru-yn-nodi-agor-gorsaf-bwer-penfro,https://www.gov.uk/government/news/wales-office-minister-marks-opening-of-pembroke-power-station.cy,301
   http://www.swyddfa.cymru.gov.uk/2012/09/19/gweinidog-swyddfa-cymru-yn-nodi-agor-gorsaf-bwer-penfro-2,,410
  -http://www.swyddfa.cymru.gov.uk/2012/09/20/caerdydd-yn-sicrhau-buddsoddiad-11-9-miliwn-mewn-band-eang,https://www.gov.uk/government/news/cardiff-secures-11-9million-broadband-investment.cy,301
  +http://www.swyddfa.cymru.gov.uk/2012/09/20/caerdydd-yn-sicrhau-buddsoddiad-11-9-miliwn-mewn-band-eang,https://www.gov.uk/government/news/cardiff-secures-11-9-million-broadband-investment.cy,301
   http://www.swyddfa.cymru.gov.uk/2012/09/20/ysgrifennydd-cymru-yn-llongyfarch-enillydd-gwobr-merch-fusnes-ifanc,https://www.gov.uk/government/news/welsh-secretary-congratulates-young-woman-of-business-winner.cy,301
   http://www.swyddfa.cymru.gov.uk/2012/09/28/gweinidog-swyddfa-cymru-wedi-ymrwymo-i-ddatblygu-sector-ynni-cymru-2,https://www.gov.uk/government/news/wales-office-minister-committed-to-developing-welsh-energy-sector.cy,301
   http://www.swyddfa.cymru.gov.uk/2012/10/03/yr-ysgrifennydd-gwladol-yn-croesawu-buddsoddiad-hdm-steel-o-7m,https://www.gov.uk/government/news/welsh-secretary-welcomes-7m-hdm-steel-investment.cy,301
  
positive.code: http://www.swyddfa.cymru.gov.uk/2012/05/17/ysgrifennydd-cymru%e2%80%99n-cyhoeddi-agor-swyddfa-ukti-cambodia,,410
  http://www.swyddfa.cymru.gov.uk/2012/05/18/ysgrifennydd-cymru-yn-clodfori-cwlwm-cymru-singapore,https://www.gov.uk/government/news/welsh-secretary-hails-wales-singapore-links-as-south-east-asia-mission-nears-conclusion.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/21/mae-canolbarth-cymru-yn-barod-ar-gyfer-y-gemau-yn-agor-i-fusnes-ac-yn-fan-gwych-i-ymweld-ag-ef-gweinidog-swyddfa-cymru,https://www.gov.uk/government/news/mid-wales-is-games-ready-open-for-business-and-a-great-place-to-visit.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/21/papur-gwyrdd-ar-drefniadau-etholiadol-cynulliad-cenedlaethol-cymru-ir-dyfodol,https://www.gov.uk/government/publications/a-green-paper-on-future-electoral-arrangements-for-the-national-assembly-for-wales,301
  http://www.swyddfa.cymru.gov.uk/2012/05/21/ysgrifennydd-cymru%e2%80%99n-dathlu-carreg-filltir-y-100-diwrnod-i-fynd-tan-y-gemau-paralympaidd,https://www.gov.uk/government/news/welsh-secretary-marks-paralympic-games-100-days-milestone.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/21/ysgrifennydd-gwladol-cymru-cheryl-gillan-yn-cyhoeddi-papur-gwyrdd-ar-drefniadau-etholiadol-y-dyfodol-ar-gyfer-cynulliad-cenedlaethol-cymru,https://www.gov.uk/government/news/secretary-of-state-for-wales-cheryl-gillan-publishes-green-paper-on-future-electoral-arrangements-for-the-national-assembly-for-wales.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/23/ysgrifennydd-gwladol-cymru-cheryl-gillan-i-ymddangos-yn-y-senedd-i-amlinellu-araith-em-y-frenhines-heddiw,https://www.gov.uk/government/news/secretary-of-state-for-wales-cheryl-gillan-to-appear-at-the-senedd-to-outline-hm-queen-s-speech-today.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/24/cymru-yn-gwneud-cyfraniad-gwych-at-2012,https://www.gov.uk/government/news/secretary-of-state-for-wales-meets-businesses-and-sports-stars-making-their-mark-on-the-games.cy,301
  http://www.swyddfa.cymru.gov.uk/2012/05/25/annog-abertawe-a-chasnewydd-i-fachu%e2%80%99r-cyfle-i-gael-cyllid-band-eang-%e2%80%98cyflym-iawn%e2%80%99,https://www.gov.uk/government/news/swansea-and-newport-urged-to-seize-upon-ultrafast-broadband-funding-opportunity.cy,301
  
negative.code: http://www.swyddfa.cymru.gov.uk/2010/07/31/ysgrifennydd-cymru-yn-mynd-o-amgylch-maes-rhyfeddol-yr-eisteddfod,https://www.gov.uk/government/news/welsh-secretary-tours-phoenix-eisteddfod-site.cy,301
  http://www.swyddfa.cymru.gov.uk/2010/08/03/gweinidog-swyddfa-cymru-yn-cwrdd-a-shelter-cymru,https://www.gov.uk/government/news/david-jones-meets-with-shelter-cymru-in-swansea.cy,301
  http://www.swyddfa.cymru.gov.uk/2010/08/04/gweinidog-swyddfa-cymru-yn-gweld-potensial-ar-gyfer-twf-economaidd-pellach-yn-sir-benfro,https://www.gov.uk/government/news/pembrokeshire-has-enormous-potential-for-further-economic-growth-says-wales-office-minister.cy,301
  http://www.swyddfa.cymru.gov.uk/2010/08/10/newidiadau-i-derfyn-gwariant-adrannol-cymru-ar-gyfer-2007-08-i-2010-11,https://www.gov.uk/government/publications/changes-to-wales-departmental-expenditure-limit-2008-09-to-2010-11,301
  http://www.swyddfa.cymru.gov.uk/2010/08/11/cheryl-gillan-yn-llongyfarch-athletwyr-o-gymru-a-ddewiswyd-ar-gyfer-y-gemau-olympaidd-ieuenctid-cyntaf,https://www.gov.uk/government/news/cheryl-gillan-congratulates-welsh-athletes-selected-for-inaugural-youth-olympic-games.cy,301
  http://www.swyddfa.cymru.gov.uk/2010/08/11/rhaid-helpu-teuluoedd-cymru-i-gefnu-ar-y-diwylliant-budd-daliadau-meddai-ysgrifennydd-cymru,https://www.gov.uk/government/news/we-must-free-families-in-wales-from-benefits-culture-says-welsh-secretary.cy,301
  http://www.swyddfa.cymru.gov.uk/2010/08/18/gweinidog-swyddfa-cymru%e2%80%99n-canmol-gwaith-canolfan-cyfeirio-ymosodiadau-rhywiol-gogledd-cymru,https://www.gov.uk/government/news/welsh-office-minister-praises-work-of-north-wales-sexual-assault-referral-centre.cy,301
  