Assertion: tommy gun | /r/HasProperty | street sweeper
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Source sentences:
text: The Thompson submachine gun was also known informally as the "Tommy Gun", "Street Sweeper" ,"Annihilator", "Chicago Typewriter", "Trench Broom", "Chicago Submachine", "Chicago Piano", "Chicago Style", "Chicago Organ Grinder", "Drum Gun", "the Chopper", "the Tommy Boy" or simply "the Thompson".