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carol - n. a song sung during Christmas season
church's organ - n. a musical instrument, usually at a church, that has a keyboard and that makes sound by pushing air through the pipes
guitar - n. a musical instrument that has six strings which are played with your fingers or with a pick
trench - n. a long narrow hole dug in the ground
greeting - n. something that is said and done to show people that you are happy to meet them
