Q: You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.
The Thompson submachine gun is an American submachine gun, invented by John T. Thompson in 1918, that became infamous during the Prohibition era, becoming a signature weapon of various police syndicates in the United States. It was a common sight in the media of the time, being used by both law enforcement officers and criminals. The Thompson submachine gun was also known informally as the ''Tommy Gun'', ''Annihilator'', ''Chicago Typewriter'', ''Chicago Piano'', ''Chicago Style'', ''Chicago Organ Grinder'', ''Trench Broom'', ''Trench Sweeper'', ''The Chopper'', and simply ''The Thompson''.
A:
is a tommy gun a sub machine gun?