#water_sport__watersport__aquatics  sports that involve bodies of water
  supertype:  sport.recreation__athletics__athletic  an active diversion requiring physical exertion and competition
  subtype:  swimming__swim  the act of swimming
     subtype:  bathe  the act of swimming; "the Englishman said he had a good bathe"
     subtype:  dip__plunge  a brief swim in water
     subtype:  dive__diving  a headlong plunge into water
        subtype:  belly_flop__bellyflop__belly_flopper__bellyflopper__belly_whop__bellywhop__belly_whopper__bellywhopper  a dive in which the abdomen bears the main force of impact with the water
        subtype:  cliff_diving__cliffdiving  diving into the water from a steep overhanging cliff
        subtype:  flip  a dive in which the diver somersaults before entering the water
        subtype:  full_gainer__gainer  a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving board
        subtype:  half_gainer  a dive in which the diver throws the feet forward and up to complete a half backward somersault and enters the water facing the diving board
        subtype:  jackknife  a dive in which the diver bends to touch the ankles before straightening out
        subtype:  swan_dive__swallow_dive__swallowdive  a dive in which the diver arches the back with arms outstretched before entering the water
     subtype:  skin_diving__skin-dive  underwater swimming with a breathing apparatus
        subtype:  scuba_diving__scubadiving  skin diving with scuba apparatus
        subtype:  snorkeling__snorkel_diving__snorkeldiving  skin diving with a snorkel
  subtype:  surfing__surfboarding__surfriding  the sport of riding a surfboard toward the shore on the crest of a wave
  subtype:  water-skiing__waterskiing  skiing on water while being towed by a motorboat

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