QUESTION: Premise: "A group of people are riding on a train."
Hypothesis: "Two people are riding the bus."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: If people are riding on a train they cannot simultaneously be riding on a bus.
The answer is no.

[QUESTION] Given the sentence "A white man and an african american appear to be sitting in front of a scenery with plants and a tree." can we conclude that "A group of asian americans are out at an amusement park."?
Options:
- yes
- it is not possible to tell
- no
In sentence 1 it was a white man and an African american and in sentence 2 it is a group of Asian Americans. Both statements cannot be true simultaneously.
The answer is no.

Q: Test for natural language inference.
Premise: "A girl is smiling as a motorcycle with two adults and a child pass by behind here."
Hypothesis: "A smiling girl poses in front of a street."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A girl is smiling is a rephrasing of a smiling girl.
The answer is yes.

QUESTION: Given the sentence "Two females in skirts walking on the sidewalk." is it true that "Two women are going shopping together."?

Let's solve it slowly: Sentence 1: Two females in skirts walking on the sidewalk. Sentence 2: Two women are going shopping together.
The answer is it is not possible to tell.

[QUESTION] Premise: "Several people with painted faces are standing on a crowded sidewalk."
Hypothesis: "People are crowded into the elevator near full capacity."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
People are either crowded into the elevator or on a crowded sidewalk.
The answer is no.

Q: Premise: "Surfer surfs ahead of a crashing wave."
Hypothesis: "A surfer stands up quickly on his surfboard."
Do we know that the hypothesis entailed by the premise?
A:
Not all surfer stands up quickly ahead of a crashing wave.
The answer is it is not possible to tell.