#hearing.session  a session (of a committee or grand jury) in which witnesses are called and testimony is taken; "the investigative committee will hold hearings in Chicago"
  supertype:  session  a meeting for execution of a group's functions; "it was the opening session of the legislature"
  subtype:  confirmation_hearing  a hearing held by the U.S. senate to gather information on which to approve or reject candidates for high federal office that are nominated by the president

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