anchor.diff:  "assistant","person.label"
   "asst","person.label"
   "commissioner","person.label"
  +"commodore","person.label"
  +"merchant","person.label"
   "cmr","person.label"
   "cmsr","person.label"
   "commis","person.label"
  
positive.code: "road","place.general"
  "path","place.general"
  "pike","place.general"
  "turnpike","place.general"
  "stream","place.general"
  "lake","place.general"
  
negative.code: "towards","stopword.wordnet"
  "unless","stopword.wordnet"
  "until","stopword.wordnet"
  "still","stopword.wordnet"
  "upon","stopword.wordnet"
  "versus","stopword.wordnet"
  "via","stopword.wordnet"
  