#obstruction  getting in someone's way
  supertype:  maneuver__manoeuvre__play  a deliberate coordinated movement requiring dexterity and skill; "he made a great play"
  subtype:  blocking__block__interference  the act of blocking someone's path with your body (as in football); "he threw a rolling block into the line backer"
     subtype:  trap_block  (football) an illegal block
  subtype:  check.obstruction  obstructing an opponent in ice hockey
     subtype:  crosscheck  an illegal check (chopping at an opponent's arms or stick)
     subtype:  poke_check  knocking the puck away by jabbing at it with the hockey stick

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