Denny asked: Premise: "Rollerblades sliding on a railing."\nBased on this premise, can we conclude that the hypothesis "Rollerblades are sliding on the concrete sidewalk." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Le: OK, so how can I answer with some explanation?

User
The rollerblades cannot be sliding on a railing and the sidewalk at the same time.
The answer: no.
Assistant