Student: Premise: "A young child is happy because her mother is smiling at her."\nBased on this premise, can we conclude that the hypothesis "A child is riding a bike." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
Child is either happy and looking at mother or he is riding a bike. So the final answer is no.
Assistant