anchor.diff:  contingency_humanitarian_or_peacekeeping_operation,contingency_humanitarian_o,FALSE,str,,,
   contract_bundling,contract_bundling,FALSE,str,,,
   contract_financing,contract_financing,FALSE,str,,,
  -contracting_officer's_determination_of_business_size,contracting_officers_deter,FALSE,str,,,
  +contracting_officer_determination_of_business_size,contracting_officers_deter,FALSE,str,,,
   cost_accounting_standards_clause,cost_accounting_standards,FALSE,str,,,
   cost_or_pricing_data,cost_or_pricing_data,FALSE,str,,,
   country_of_product_or_service_origin,country_of_product_or_serv,FALSE,str,,,
  
positive.code: municipality_local_government,municipality_local_governm,FALSE,str,,,
  school_district_local_government,school_district_local_gove,FALSE,str,,,
  township_local_government,township_local_government,FALSE,str,,,
  u.s._state_government,us_state_government,FALSE,str,,,
  u.s._federal_government,us_federal_government,FALSE,str,,,
  federal_agency,federal_agency,FALSE,str,,,
  federally_funded_research_and_development_corp,federally_funded_research,FALSE,str,,,
  u.s._tribal_government,us_tribal_government,FALSE,str,,,
  foreign_government,foreign_government,FALSE,str,,,
  community_developed_corporation_owned_firm,community_developed_corpor,FALSE,str,,,
  labor_surplus_area_firm,labor_surplus_area_firm,FALSE,str,,,
  
negative.code: vendor_fax_number,vendor_fax_number,FALSE,str,,,
  multiple_or_single_award_idv,multiple_or_single_award_i,FALSE,str,,,
  type_of_idc,type_of_idc,FALSE,str,,,
  a76_fair_act_action,a_76_fair_act_action,FALSE,str,,,
  dod_claimant_program_code,dod_claimant_program_code,FALSE,str,,,
  clinger_cohen_act_planning_compliance,clinger_cohen_act_planning,FALSE,str,,,
  commercial_item_acquisition_procedures,commercial_item_acquisitio,FALSE,str,,,
  