#public_opinion_poll__poll__opinion_poll__opinionpoll__canvass  an inquiry into public opinion conducted by interviewing a random sample of people
  supertype:  #enquiry__inquiry__research  a search for knowledge; "their pottery deserves more research than it has received"
  subtype:  #straw_vote__strawvote__straw_poll__strawpoll  an unofficial vote taken to determine opinion on some issue

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