Premise: "A man with no shirt on and a hat is using a hammer and anvil."\nHypothesis: "A man is trying to fix a problem with tools."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step below.
it is not possible to tell
A man using a hammer and anvil is not necessarily trying to fix a problem with tools.

.

So, the final answer is it is not possible to tell