Student: Premise: "Man taking a picture in a crowd of people."\nBased on this premise, can we conclude that the hypothesis "The man is taking a picture of a giraffe." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
The man can't take a picture of a giraffe if he's taking a picture in a crowd of people. So the final answer is no.
Assistant