anchor.diff:  http://www.direct.gov.uk/boguscallers,,410,http://www.actionfraud.police.uk/types-of-fraud/bogus-tradesmen,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/CrimeJusticeAndTheLaw/CrimePrevention/DG_4002678
   http://www.direct.gov.uk/bookpracticaltest,https://www.gov.uk/book-practical-driving-test,301,,
   http://www.direct.gov.uk/booktheorytest,https://www.gov.uk/book-a-driving-theory-test,301,,
  -http://www.direct.gov.uk/booktheorytest/,https://www.gov.uk/book-a-driving-theory-test,301,,
   http://www.direct.gov.uk/booktrainertheorytest,https://www.gov.uk/book-your-instructor-theory-test,301,,
   http://www.direct.gov.uk/bradford-bingley,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Nl1/Newsroom/DG_172039
   http://www.direct.gov.uk/bt,https://www.gov.uk/browse/driving,301,,
  
positive.code: http://www.direct.gov.uk/d1form,https://www.gov.uk/exchange-paper-driving-licence-photocard-licence,301,,
  http://www.direct.gov.uk/dadsatwork,https://www.gov.uk/paternityleave/overview,301,,
  http://www.direct.gov.uk/danceanddrama,https://www.gov.uk/grant-bursary-adult-learners,301,,
  http://www.direct.gov.uk/danceanddrama/,https://www.gov.uk/grant-bursary-adult-learners,301,,
  http://www.direct.gov.uk/dancing,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/ApplyingForAHigherEducationCourse/DG_10013213
  http://www.direct.gov.uk/death,https://www.gov.uk/after-a-death/overview,301,,
  http://www.direct.gov.uk/death-tellusonce,https://www.gov.uk/tell-us-once,301,,
  
negative.code: http://www.direct.gov.uk/moneyguide,,410,https://www.moneyadviceservice.org.uk/,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/MoneyTaxAndBenefits/ManagingMoney/index.htm
  http://www.direct.gov.uk/moneynews,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Nl1/Newsroom/Moneynews/index.htm
  http://www.direct.gov.uk/moneytolearn,https://www.gov.uk/browse/education/student-finance,301,,
  http://www.direct.gov.uk/moneytostudy,https://www.gov.uk/browse/education/student-finance,301,,
  http://www.direct.gov.uk/mortgagearrears,https://www.gov.uk/repossession/get-advice,301,,
  http://www.direct.gov.uk/mortgagehelp,https://www.gov.uk/repossession/get-advice,301,,
  