#weekend  usually Friday night through Sunday
  supertype:  #time_period__period__period_of_time  an amount of time; "a time period of 30 years"; "hastened the period of his recovery"
  part of:  #week
  part:  #Saturday__Sat  the seventh and last day of the week; the Jewish Sabbath
  part:  #Sunday__Lord's_Day__Sun  first day of the week; observed as a day of rest and worship by most Christians

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