#substitute__reserve  an athlete who plays only when another member of the team drops out
  supertype:  #athlete__jock  a person trained to compete in sports
  member of:  #bench.subgroup
  subtype:  #bench_warmer__benchwarmer  (sports) a substitute who seldom plays
  subtype:  #pinch_hitter__pinchhitter  (baseball or softball) a substitute for the regular batter

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