[QUESTION] Given the sentence "A black and brown dogs pulling a red leash." is it true that "Two dogs pull at a leash after they spot a third dog."?
Two dogs pulling a leash does not imply that they spot a third dog.
The answer is it is not possible to tell.

Q: Given the sentence "Four men are leaping into the air while the fifth man is standing on the ground outside of a house." is it true that "All the men are leaping into the air."?
A: All the men cannot be simultaneously leaping in the air if the fifth man remains standing.
The answer is no.

QUESTION: If "A baby with green headphones on is waving at a large crowd of people." does that mean that "A baby is waving."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A baby 'waving at a large crowd' tells whom she is 'waving' to.
The answer is yes.

[QUESTION] Given the sentence "Two young black girls are in ballerina tutus performing ballet." can we conclude that "Two young girls are in tutus performing a dance."?
Options:
- yes
- it is not possible to tell
- no
They may be performing some ballet moves that do not necessarily compose into a dance.
The answer is it is not possible to tell.

Q: Premise: "The boy is playing on the shore of an ocean."
Based on this premise, can we conclude that the hypothesis "The boy is making a sand castle." is true?
Options:
- yes
- it is not possible to tell
- no
A: A boy can play on the shore of an ocean without making a sand castle. Some shores are mostly rock instead of sand as well.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Two men in sunglasses sit at a table drinking beer." can we conclude that "A squirrel eats a nut."?
Options:
- yes
- it is not possible to tell
- no
Two men are human beings while a squirrel is an animal.
The answer is no.