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sentence: There were so many49 laughs about Mr Moore's black bear during the next week that he at last put an advertisement in the newspaper; "If anyone saw a black bear blowing the horn in a car outside the Century Hotel50 on the evening of Christmas Day, please tell..." 
   Two days later51 [MASK] Mrs Richards called him and said that she and her husband had left their pet bear in their car outside the Century Hotel for a few minutes that evening, and that   maybe  he had blown the horn.