[QUESTION] Premise: "A man and a woman are riding bikes on a street."
Hypothesis: "The couple is riding to the supermarket."
Do we know that the hypothesis entailed by the premise?
A man and a woman does not necessarily imply they are couple and the fact that they are riding bikes on a street does not necessarily mean that they are riding to the supermarket.
The answer is it is not possible to tell.

Q: Premise: "A man preparing to repel down a mountain."
Hypothesis: "The man sits in the sand along the water's edge."
Do we know that the hypothesis entailed by the premise?
A: Person that sit down will not be repel down at the same time.
The answer is no.

QUESTION: Given the sentence "A man is playing cello as part of an orchestra at a formal performance." is it true that "A man is playing cello."?

Let's solve it slowly: Playing cello as part of an orchestra is a way of playing cello.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A man and child drive down the road in a forest in a blue tractor."
Hypothesis: "The man and woman drive down the road in a green tractor."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A blue tractor is not the same as a green tractor.
The answer is no.

Q: Test for natural language inference.
Premise: "A man in a white hat is making smoothies."
Hypothesis: "The ice cream man makes smoothies."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A man can wear a white hat without being an ice cream man.
The answer is it is not possible to tell.

[QUESTION] If "Woman with curly red-hair using a telescope on the street." does that mean that "A woman trying to see a shooting star."?
Options:
- yes
- it is not possible to tell
- no
Woman with curly red-hair using a telescope on the street does not indicate that she is trying to see a shooting star.
The answer is it is not possible to tell.