anchor.diff:  Original,Replacement
   SumOfobligatedAmount,Action_Obligation
   ObligatedAmount,Action_Obligation
  -obligatedamount,Action_Obligation
   obligatedamount_Then_Year,Action_Obligation_Then_Year
   Action.Obligation.Current,Action_Obligation_Then_Year
   Action.Obligation.Then.Year,Action_Obligation_Then_Year
  
positive.code: BA.#,BudgetActivity
  Budget.Activity,BudgetActivity
  BA.Title,BudgetActivityTitle
  BA.Title,BudgetActivityTitle
  Budget.Activity.Title,BudgetActivityTitle
  Budget.Activity.Short.Title,BudgetActivityTitle
  BSA.#,BudgetSubActivity
  
negative.code: ExercisedOptions,SteadyScopeOptionGrowthAlone
  RescindedOptions,SteadyScopeOptionRescinded
  SumOfUnmodifiedobligatedAmount,UnmodifiedContractObligatedAmount
  UnmodifiedContractBaseAndAllOptionsValue.OMB20_GDP18,UnmodifiedCeiling_OMB20_GDP18
  UnmodifiedContractBaseAndAllOptionsValue_OMB20_GDP18,UnmodifiedCeiling_OMB20_GDP18
  VehicleClassification,Vehicle
  Size,Vendor.Size
  VendorSize,Vendor.Size
  