#breakup__separation__detachment  coming apart
  supertype:  change.happening__alteration__modification  an event that occurs when something passes from one state or phase to another: "the change was intended to increase sales"; "this storm is certainly a change for the worse"
  subtype:  severance__rupture__breach__break__rift__falling_out__fallingout  a personal or social separation (as between opposing factions); "they hoped to avoid a break in relations"
  subtype:  break.breakup  the occurrence of breaking; "the break in the dam threatened the valley"

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