[QUESTION] If "A man places his arm around his girlfriend at a conference." does that mean that "The man is planning to propose marriage to his girlfriend."?
Options:
- yes
- it is not possible to tell
- no
A man placing arms around girlfriend does not imply he is planning to propose marriage to her.
The answer is it is not possible to tell.

Q: If "Tennis players with their hands up." does that mean that "There is more than one tennis player."?
Options:
- yes
- it is not possible to tell
- no
A: There is more than one tennis player is a reword of tennis players.
The answer is yes.

QUESTION: If "A person in a green outfit cooking a meal." does that mean that "The person is a professional chef."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The person is cooking a meal but isn't necessarily a professional chef.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man is performing in front of a crowd."
Hypothesis: "The people are enjoying a performance."
Do we know that the hypothesis entailed by the premise?
Performing in front of a crowd is a performance by definition and a crowd is made of people.
The answer is yes.

Q: Given the sentence "A man and child ride an elephant." can we conclude that "The father and son were hang gliding."?
Options:
- yes
- it is not possible to tell
- no
A: A man and child either rode an elephant or went hang gliding.
The answer is no.

[QUESTION] Can we conclude from "A black dog is running quickly along the ground." that "A dog is running fast."?
Options:
- yes
- no
- it is not possible to tell
Another way of saying that the dog is running quickly is that the dog is running fast.
The answer is yes.