QUESTION: Premise: "A man with curly hair conducts a climbing demonstration."
Based on this premise, can we conclude that the hypothesis "A man demonstrates how to climb." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Climbing demonstration can also be phrased as demonstrating how to climb.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A person sits on a snowbank watching a snowboarder take a high leap."
Hypothesis: "A spectator watches a professional snowboarder warm up for the main event."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The snowboarder is not necessarily a professional snowboarder doing warm up activities for a main event.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Two girls are doing karate together."
Hypothesis: "While others are walking in the background."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The two girls fight to the death over which pony is their favorite.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A girl in striped swimsuit is jumping into the ocean."
Hypothesis: "A girl in striped swimsuit is jumps into the ocean to catch fish."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: People jump in the ocean with no intention to catch fish.
The answer is it is not possible to tell.

[QUESTION] Premise: "Four young men are running on a street and jumping for joy."
Based on this premise, can we conclude that the hypothesis "The men just won the lottery." is true?
Options:
- yes
- it is not possible to tell
- no
Even if the men and jumping for joy it doesn't prove they won the lottery.
The answer is it is not possible to tell.

Q: Premise: "A man in a helmet holding a cellphone."
Hypothesis: "A man in a helmet is riding a bicycle while texting."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
A man in a helmet holding a cellphone don't necessarily imply that he is riding a bicycle while texting.
The answer is it is not possible to tell.