QUESTION: Given the sentence "A cyclist performing a jump on a bicycle." is it true that "A cyclist is doing a backflip on a bike."?

Let's solve it slowly: Just because a cyclist performing a jump on a bicycle does not mean that she is doing a backflip on a bike.
The answer is it is not possible to tell.

QUESTION: Premise: "A large building with all people walking by."
Hypothesis: "The humans are moving."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: All people walking by means humans are moving as walking entails moving.
The answer is yes.

QUESTION: If "Two men move dirt around a young tree." does that mean that "They are physical laborers."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Because men move dirt around a tree does not necessarily imply that they are physical laborers.
The answer is it is not possible to tell.