Premise: "A man with a gas mask and goggles on his head."\nHypothesis: "A man with goggles on his head holds a gas mask."\nDo we know that the hypothesis entailed by the premise?
Step-by-step reasoning process below:
it is not possible to tell
A man with a gas mask and goggles on his head does not particularly imply holds a gas mask.

.

Thus, the answer is it is not possible to tell