#step_dancing__hoofing  dancing in which the steps are more important than gestures or postures
  supertype:  dancing__dance__terpsichore  taking a series of rhythmical steps (and movements) in time to music
  part:  dance_step
  subtype:  tap_dancing__tapdancing__tap_dance__tapdance  a dance step tapped out audibly with the feet
     subtype:  soft-shoe_shuffle__soft-shoe__soft-shoe_dancing  tap dancing wearing soft-soled shoes
     subtype:  buck-and-wing  a solo tap dance emphasizing sharp taps
     subtype:  clog_dance__clog_dancing__clog  a dance performed while wearing clogs; has heavy stamping steps

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