Please answer the following question by reasoning step-by-step. Premise: "A boy doing a skateboarding trick on a city sidewalk."\nBased on this premise, can we conclude that the hypothesis "A boy is trying to grind on a rail." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no. Step-by-step reasoning:
User
The boy could be doing other tricks besides trying to grind. So the answer is it is not possible to tell.
Assistant