[Ans] it is not possible to tell
[Question] Can we conclude from "Man in orange vest maintains the wall tiles." that "A worker is checking wall tiles for damage."?
Options:
- yes
- no
- it is not possible to tell
[CoT] Not every one who wears an orange vest is a worker. Checking wall tiles for damage is not the only way to maintain wall tiles.

[Ans] it is not possible to tell
[Question] Test for natural language inference.
Premise: "Two blond children play with sticks in the grass."
Hypothesis: "Two boys are outside playing in the pool."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[CoT] Two blond children play with sticks in the grass does not indicate that two boys are outside playing in the pool.

[Ans] yes
[Question]
Premise: "People are on a roller coaster in front of a body of water."
Based on this premise, can we conclude that the hypothesis "People are riding a roller coaster." is true?
Options:
- yes
- it is not possible to tell
- no
[CoT] Being on a roller coaster and riding a roller coaster are the same thing.