Q: Given the sentence "A man teaching a class about folic acid." is it true that "A man is alone watching tv on the couch."?
A: If a man is teaching a class he is not alone and he cannot be watching TV on a couch.
The answer is no.

QUESTION: Premise: "The restaurant staff is setting up the dining room for a meal."
Hypothesis: "Some people are cooking food."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Some people cooking food is not the same as a restaurant staff setting the the dinning room as these are two different tasks.
The answer is no.

[QUESTION] Given the sentence "Young people in a busy arcade." is it true that "Teens are having an arcade game tournament."?
People in an arcade does not imply having an arcade game tournament.
The answer is it is not possible to tell.

Q: Premise: "A dog is on the grass shaking himself dry."
Hypothesis: "The dog is wet."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: If the dog is wet then it would be shaking itself dry.
The answer is yes.

QUESTION: Premise: "A man with a helmet in a four wheeled vehicle."
Hypothesis: "The man is driving the vehicle."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Saying the man has a helmet on in the vehicle does not directly infer he is the one driving.
The answer is it is not possible to tell.

QUESTION: Premise: "A horse mascot gives high-fives to some football fans."
Hypothesis: "A mascot gives a thumbs up."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
High-fives require more than one finger so it's not a thumbs up with one thumb simultaneously.
The answer is no.