QUESTION: Given the sentence "The mother is helping her baby brush his teeth with his big boy green toothbrush." is it true that "The mother is tucking the baby in to bed."?

Let's solve it slowly: The mother can't tucking the baby into bed while brushing his teeth.
The answer is no.

QUESTION: Can we conclude from "People waiting to cross a street at night." that "The people are waiting for a large bus to pass before crossing."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Large bus cannot be the only reason on the road for them to waiting to cross.
The answer is it is not possible to tell.

QUESTION: Premise: "Two men playing volleyball."
Hypothesis: "People play with a ball."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
Men are people and they are playing volleyball so they are playing with a ball.
The answer is yes.