https://en.wikipedia.org/wiki/Who%27s_on_First%3F https://en.wikipedia.org/wiki/Who%27s_on_First%3F >The premise of the sketch is that Abbott is identifying th

https://en.wikipedia.org/wiki/Who%27s_on_First%3F https://en.wikipedia.org/wiki/Who%27s_on_First%3F >The premise of the sketch is that Abbott is identifying the players on a baseball team for Costello, but their names and nicknames can be interpreted as non-responsive answers to Costello's questions. For example, the first baseman is named "Who"; thus, the utterance "Who's on first" is ambiguous between the question ("Which person is the first baseman?") and the answer ("The name of the first baseman is 'Who'"). https://www.youtube.com/watch?v=sShMA85pv8M https://www.youtube.com/watch?v=sShMA85pv8M I imagine that kind of ambiguity has been 'played' with for forever, though.