[QUESTION] Given the sentence "A group of people waiting in a subway car and a woman staring into the camera." is it true that "There are people at the subway."?
There are people at the subway when people are waiting in a subway car.
The answer is yes.

Q: Given the sentence "A man walks past a graffitied area." can we conclude that "A man walks past the graffiti he has put up."?
Options:
- yes
- it is not possible to tell
- no
A: A man walks past a graffitied area does not imply that he walks past the graffiti he has put up.
The answer is it is not possible to tell.

QUESTION: Premise: "Chinese-american dressed children dressed in red uniforms are doing a cultural performance in a parade."
Hypothesis: "Children dressed in extravagant red uniforms dancing for a massive crowd of people."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A performance does not imply a massive crowd and not all uniforms are extravagant.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "An artist in an gray t-shirt is carving on his white serpentine shaped sculpture." is it true that "An artist is preparing for an upcoming show."?
The artist is carving on his sculpture but he isn't necessarily preparing for an upcoming show.
The answer is it is not possible to tell.

Q: Premise: "A brown dog is biting a black dog."
Hypothesis: "Dogs are fighting."
Do we know that the hypothesis entailed by the premise?
A: A dog biting another dog implies that they are fighting each other.
The answer is yes.

[QUESTION] Premise: "Tourist in ancient asian cities spend their days exploring the history."
Hypothesis: "People are looking at old things."
Do we know that the hypothesis entailed by the premise?
Tourists are people. People who are exploring are looking. Old things are a part of history.
The answer is yes.