[QUESTION] Given the sentence "A young child is playing in a water tank with toys." is it true that "A child is playing in water."?
A water tank has water in it and child playing in a water tank implies a child is playing in water.
The answer is yes.

Q: Can we conclude from "People laughing while at a restaurant." that "People sad and crying on mars."?
Options:
- yes
- no
- it is not possible to tell
A: People cannot be laughing and sad simultaneously nor can they be at a restaurant and on Mars simultaneously.
The answer is no.

QUESTION: Premise: "Three researchers working in a lab."
Hypothesis: "The researchers are working."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A team of three researchers can also be described as the researchers.
The answer is yes.

[QUESTION] Premise: "A boy in a green and yellow suit kickboxing a punchbag."
Based on this premise, can we conclude that the hypothesis "A boy is grappling the punchbag." is true?
Options:
- yes
- it is not possible to tell
- no
A boy is not kickboxing and grappling at the same time.
The answer is no.

Q: Premise: "A cross guard helps people get across the street."
Hypothesis: "A crossing guard is helping people and more people come along."
Do we know that the hypothesis entailed by the premise?
A: A cross guard helps people cross the street does not imply more people come along.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "The black dog is pouncing on something in the yard." that "A black dog is laying on the couch."?
Options:
- yes
- no
- it is not possible to tell
A dog cannot be pouncing at the same time it is laying down. A yard is not a couch.
The answer is no.