Q: Can we conclude from "Two surfers enjoying the waves." that "The surfers have fallen off of their surfboards while surfing the waves."?
Options:
- yes
- no
- it is not possible to tell
A: Surfers enjoying the waves does not imply that they have fallen off their boards.
The answer is it is not possible to tell.

QUESTION: Premise: "Construction workers repairing a wall in a cherry picker."
Hypothesis: "They are tearing down the establishment."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Workers are either repairing a wall or tearing down the establishment.
The answer is no.

[QUESTION] Premise: "A person is climbing a ladder of iron bars attached to a pole."
Hypothesis: "There is a ladder attached to a pole."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
There is a ladder attached to a pole because a person is climbing the ladder attached to the pole.
The answer is yes.

Q: Given the sentence "Two boys and a dog playing catch in the water." is it true that "Two friends and a black dog play catch in the water."?
A: Two boys are not always friends. All dogs are not black.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A woman in black athletic gear and a blue helmet tries to move past another woman in similar gear and a black helmet with a referee on each side of them."
Hypothesis: "Two women are competing in an athletic competition."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: There is a referee so the women must be competing in an athletic competition.
The answer is yes.

QUESTION: Can we conclude from "A man in a dress shirt and tie addresses a chef in a kitchen." that "The man is singing."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
It's unlikely the man addresses a chef by singing to him.
The answer is no.