#warranty__guarantee__warrant  a written assurance that some product or service will be provided or will meet certain specifications
  supertype:  assurance__pledge  a binding commitment to do or give or refrain from something: "an assurance of help when needed"; "signed a pledge never to reveal the secret"
  subtype:  security.warranty__surety  a guarantee that an obligation will be met
  subtype:  deposit.warranty  a payment given as a guarantee that an obligation will be met
  subtype:  stock_warrant__stockwarrant  a written certificate that gives the holder the right to purchase shares of a stock for a specified price within a specified period of time

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