[QUESTION] Can we conclude from "A person and a bull are standing in a grassy plain with trees in the background." that "A cow eats hay in a barn."?
Options:
- yes
- no
- it is not possible to tell
A cow can't be in a barn if it is on a grassy plain.
The answer is no.

[QUESTION] Given the sentence "A man in a brown hat is standing up in a group." can we conclude that "A man in a group is wearing a hat."?
Options:
- yes
- it is not possible to tell
- no
In a group wearing a brown hat by a man can be identified easily while he is standing up.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A boy is covered in wet sand playing at a beach while a group of people enjoy the ocean in the background."
Hypothesis: "The child is having fun in the sand."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The boy being covered in wet sand doesn't mean he is having fun.
The answer is it is not possible to tell.

[QUESTION] Premise: "The surfer is surfing the wave."
Hypothesis: "The surfer is wearing a black wet suit."
Do we know that the hypothesis entailed by the premise?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The surfer is surfing the wave but he is not necessarily wearing a black wet suit.
The answer is it is not possible to tell.