Use reasoning to answer the following question.
Test for natural language inference.\nPremise: "A dog gnaws on the strap of a camera."\nHypothesis: "A dog messing with his owners camera."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
Gnaws on the strap of a camera does not imply that the camera is his owners.

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