QUESTION: If "Guy instructing people in back of train." does that mean that "A man is talking."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Guy instructing people in back of train is not necessarily talking.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man performs outside on cobblestone at night with his acoustic guitar under a giant orange jagermeister banner."
Hypothesis: "Man drinking a beer in the hot sun."
Do we know that the hypothesis entailed by the premise?
The man can't be performing outside at night when he is drinking a beer in the hot sun.
The answer is no.

Q: Premise: "An asian woman with a red umbrella walks through a crowded marketplace."
Hypothesis: "There is a women walking in a crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: An Asian woman who is walking through a crowded marketplace is by default a woman walking in a crowd.
The answer is yes.

QUESTION: Premise: "An animal is hosed down by a brick wall."
Hypothesis: "The animal was dirty."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because the animal is hosed down does not mean the dog is dirty.
The answer is it is not possible to tell.

[QUESTION] Premise: "A girls laying down at the grass."
Hypothesis: "Girls laying in the grass."
Do we know that the hypothesis entailed by the premise?
A girls laying down at the grass is the same as girls laying in the grass.
The answer is yes.

Q: Given the sentence "A smiling man in a blue shirt and straw hat is standing inside a brick structure." is it true that "The man is in shelter."?
A:
The shelter the man is standing in is a brick structure. Perhaps he is smiling because he is safe inside the shelter of the brick structure.
The answer is yes.