QUESTION: Can we conclude from "A man and a woman fighting in the street." that "The woman destroyed the man with martial arts."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Fighting in the street does not imply the woman destroyed the man with martial arts.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man on a raft on the bay of a river."
Hypothesis: "The man is drowning."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
One man is on a raft but the other one is drowning.
The answer is no.

Q: Given the sentence "A man using a scrub brush on a floor while crouching." is it true that "A man cleans the floor."?
A: A man using a scrub brush on a floor while crouching means the man cleaning the floor.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "Doctors are performing surgery with nurses around them."
Hypothesis: "A doctor uses a cadaver to teach others how to perform a surgery correctly."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The doctor is performing a surgery so he is most likely not using a cadaver to teach others how to perform a surgery correctly. The patient may have just needed to have surgery and the nursing are assisting.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A girl is riding horseback." is it true that "The girl is wearing a black helmet."?
A girl riding horseback doesn't mean she is wearing a black helmet.
The answer is it is not possible to tell.

Q: Premise: "A group of football players running down the field."
Hypothesis: "The ball carrier runs past all the football players and scores a touchdown."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
Football player can run even though he does not score a touchdown.
The answer is it is not possible to tell.