#chewing__chew__mastication  biting and grinding food in your mouth so it becomes soft enough to swallow
  supertype:  change_of_state  the act of changing something into something different in essential characteristics
  part of:  eating
  subtype:  chomping  the act of chewing noisily
  subtype:  gumming__mumbling  ineffectual chewing (as if without teeth)

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