#lifetime__life__lifespan  the period during which something is functional (as between birth and death); "the battery had a short life"; "he lived a long and happy life"
  supertype:  time_period__period__period_of_time  an amount of time; "a time period of 30 years"; "hastened the period of his recovery"
  part:  birth.time  dying  time_of_life  eld
  subtype:  afterlife__hereafter  life after death
     subtype:  immortality.afterlife  perpetual life after death

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