Student asked: Given the sentence "A group of girls jumping and reclining on a trampoline." is it true that "Girls having fun on backyard trampoline."?
Teacher's response: Let's think. It's expected that girls jumping and reclining on a trampoline would be having fun. The answer is yes.

Student asked: Premise: "A man on inline-skates at a skate park."
Hypothesis: "A man is practicing for an upcoming competition."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man on skates does not imply practicing for an upcoming competition. The answer is it is not possible to tell.

Student asked: Premise: "A young man sits on the side of the road with his belongings."
Hypothesis: "A young man sits on the side of the road awaiting his mother."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all men on the side of the road are waiting for their mother. The answer is it is not possible to tell.

Student asked: Premise: "There are two men in orange life vests signaling to a cruise ship docking at a pier."
Based on this premise, can we conclude that the hypothesis "Two men in orange life vests are watching a cruise ship depart." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The men can't be signaling a cruise ship and watching a cruise ship at the same time. The answer is no.