#failure.omission  an unexpected omission; "he resented my failure to return his call"
  supertype:  omission__skip  a mistake resulting from neglect
  subtype:  dashing_hopes__dashinghope__disappointment  an act (or failure to act) that disappoints someone
  subtype:  breach  a failure to perform some promised act or obligation
     subtype:  breach_of_contract  a breach of a legal duty; failure to do something that is required in a contract
        subtype:  anticipatory_breach__constructive_breach  a breach of contract committed prior to the time of required performance
        subtype:  breach_of_the_covenant_of_warranty  a failure of the seller's guarantee of good title
        subtype:  breach_of_promise  failure to keep a promise (of marriage)
        subtype:  breach_of_trust  violation (either through fraud or negligence) by a trustee of a duty that equity requires of him
        subtype:  breach_of_warranty  a breach that occurs when an item is deficient according to the terms of a warranty
        subtype:  material_breach  a breach serious enough to destroy the value of the contract and to give a basis for an action for breach of contract
        subtype:  partial_breach__partialbreach  a breach that does not destroy the value of the contract but can give rise to a claim for damages
     subtype:  breach_of_duty  a breach of due care
  subtype:  copout  a failure to face some difficulty squarely

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