[QUESTION] Given the sentence "A group of friends are sitting listening to some music." is it true that "A group of friends together."?
A group of friends listening to music is made up of a group of friends who are together.
The answer is yes.

Q: Can we conclude from "The man is tossed from his boogie board by a large wave." that "A man was learning how to use the boogie board."?
Options:
- yes
- no
- it is not possible to tell
A: Not all man tossed from his boogie board by a large wave is learning how to use the boogie board.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Looks like students are in a laboratory." that "People standing in a room full of machines."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Laboratory does not imply a room of machines. Students are in the room; this does not mean they are standing.
The answer is it is not possible to tell.

[QUESTION] If "Two trolley repair men are fixing a line." does that mean that "Two workers are repairing a line."?
Options:
- yes
- it is not possible to tell
- no
Repair men are workers and fixing is a synonym for repairing.
The answer is yes.

Q: Given the sentence "A girl is playing in the fountain fully clothed." can we conclude that "The girl was naked."?
Options:
- yes
- it is not possible to tell
- no
A: She can't be full clothed and naked at the same time.
The answer is no.

[QUESTION] Can we conclude from "A casually dressed man has several flutes into which he is pouring champagne." that "A man dressed in formal wear pours whiskey for himself."?
Options:
- yes
- no
- it is not possible to tell
Person wearing a formal wear is different from a person who is casually dressed.
The answer is no.