#obligation  a legal agreement specifying a payment or action and the penalty for failure to comply
  supertype:  written_agreement__writtenagreement  a legal document summarizing the agreement between parties
  subtype:  indebtedness__liability__financial_obligation__financialobligation  an obligation to pay money to another party
     subtype:  limited_liability__limitedliability  the liability of a firm's owners for no more than the capital they have invested in the firm
     subtype:  debt.indebtedness  the state of owing money; "he is badly in debt"
     subtype:  arrears.indebtedness__arrear  the state of being behind in payments; "an account in arrears"
     subtype:  account_payable  a liability account showing how much is owed for goods and services purchased on credit
     subtype:  scot_and_lot  obligations of all kinds taken as a whole

No statement uses or specializes obligation; click here to add one.