Question

Which sentence contains a punctuation error?

One-quarter cup of chocolate chips does not seem like enough.

She is a well known basketball player.

This well-known recipe is the one I always use for oatmeal cookies.

He bakes loaves of the best-tasting bread we have ever eaten.

Answer 1

It would be about the basketball player, well known should be written as well-known.

Answer 2

The sentence that contains a punctuation error is "She is a well known basketball player".

"She is a well known player" contains a punctuation error because there must be a hyphen between "well" and "known". Different dictionaries, such as Merriam-Webster's Collegiate Dictionary and Collins Dictionary, state that the correct way of writing it is "well-known". The first sentence is correctly punctuated as well as the last one. Moreover, the third sentence does not contain a punctuation error because the hyphen between "well" and "known" has been added.