Premise: "A woman in all black throws a football indoors while man looks at his cellphone in the background."\nHypothesis: "A woman throws a football while the man takes a photo with his cellphone."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
A woman in all black throws a football indoors while man looks at his cellphone in the background does not imply she throws a football while the man takes a photo with his cellphone.

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Therefore, the answer is it is not possible to tell