Assertion: american football | /r/HasProperty | sport
Facets:
Source sentences:
text: American football (referred to as football in the United States and also known as gridiron) is a sport played by two teams of eleven players on a rectangular field with goalposts at each end.
text: Since American football was a sport played primarily within Havana’s social athletic club culture, it becomes marginalized or characterized as part of U.S. cultural imperialism.
text: American football, known in the United States as football, is a sport played between two teams of eleven.