QUESTION: Given the sentence "A woman is riding a pink bicycle and holding a white umbrella." is it true that "The bicycle is her only way of transportation."?

Let's solve it slowly: A woman may be riding a bicycle even though it isn't her only way of transportation.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Some people standing on a balcony watching a man slide down a slanted rail." is it true that "A man slides up a banister."?
If the man slides down he cannot also be sliding up.
The answer is no.

Q: Premise: "Little girl with red-hair sitting on round piece of metal at the museum."
Hypothesis: "A girl learning about the sights at a museum."
Do we know that the hypothesis entailed by the premise?
A: Learning about the sights at a museum cannot be done by sitting on a piece of metal.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A street performer in the middle of a crowd." can we conclude that "A person is doing a dance for nickles."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A street performer does not necessarily have to be dancing. Just because the performer is in the middle of a crowd does not mean he/she is performing for nickles.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two dark-haired girls are on a tire swing."
Hypothesis: "Two girls are outside playing."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The tire swing that the two dark haired girls are playing on is outside.
The answer is yes.

Q: Premise: "Two policeman and are on motorcycles."
Hypothesis: "A cat eats food."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
Two policeman and a cat differ both in number and species in that a cat is an animal while men are human. Eating food and sitting on motorcycles cannot be regarded as being the same activity.
The answer is no.