QUESTION: Given the sentence "A boy in a halloween costume." is it true that "A person in a halloween costume."?

Let's solve it slowly: A boy is a person who is wearing a Halloween costume.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A man is handling heavy machinery."
Hypothesis: "A man is wearing a construction hat and steel toed boots."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
People can handle heavy machinery without wearing a construction hat and steel toed boots.
The answer is it is not possible to tell.

Q: Given the sentence "Little boy discovering plants growing in a puddle of water." can we conclude that "A boy is finding algae in the water."?
Options:
- yes
- it is not possible to tell
- no
A: Plants growing in a puddle of water does not always mean algae is growing.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A black-haired man with glasses and a brown jacket is walking down an urban street."
Hypothesis: "A man trying to get through a crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A black-haired man with glasses and a brown jacket is walking down an urban street does not necessary that he is trying to get through a crowd.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "For people in black pants and white martial arts shirts with belts hold a pose with both arms raised while three casually dressed me look on from a door on the left."
Hypothesis: "Some people stand in line."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
One can not stand in line and look on from a door simultaneously.
The answer is no.

Q: Premise: "A black and white dog sliding down a slope on a beach."
Based on this premise, can we conclude that the hypothesis "A dog going down a sandy hill." is true?
Options:
- yes
- it is not possible to tell
- no
A:
A sandy hill is a rephrase of a slope on a beach.
The answer is yes.