#age_group__agegroup__age_bracket__cohort  a group people having approximately the same age
  supertype:  #people  (plural) any group of human beings (men or women or children) collectively; "old people"; "there were at least 200 people in the audience"
  subtype:  #aged.people  people who are old; "special arrangements were available for the aged"
  subtype:  #young.people__youth  young people collectively; "rock music appeals to the young"; "youth everywhere rises in revolt"

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