Question and answer: Q: Given the sentence "A man on rollerblades skates around some cones on a wide walkway." can we conclude that "The man on roller blades is doing an fun course."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: Skating around some cones on a wide walkway does not imply that the man is doing an fun course.

Question and answer: Q: Premise: "A young girl in a bathing suit is standing on a beach at the water's edge."
Hypothesis: "Surrounded by seaweed."
Do we know that the hypothesis entailed by the premise?
A: yes
Explanation: The young girl is outside at the beach surrounded by seaweed.

Question and answer: Q: Given the sentence "A family playing on a sand dune." can we conclude that "A family plays in front of another family."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation:
A family playing on a sand dune doesn't imply that they are in front of another family.