QUESTION: Given the sentence "A group of people relaxing at some tables." is it true that "The group is cleaning their cars."?

Let's solve it slowly: People relaxing at tables can not be cleaning cars at the same time.
The answer is no.

QUESTION: Given the sentence "The white and brown-spotted dog is walking through shallow water." can we conclude that "The dog is trying to find it's owners."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A dog can walk through water without trying to find anything.
The answer is it is not possible to tell.

QUESTION: Premise: "Group of people riding on a green roller coaster."
Hypothesis: "A group of men ride a roller coaster at islands of adventure."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
Not all people are men. Not all roller coasters are at islands of adventure.
The answer is it is not possible to tell.