[Q] Given the sentence "A girl prepares for practice in the gym." is it true that "The girl is a waiter."?
[A] A girl who is a waiter cannot at the same time be a girl who prepares for practice in the gym.
The answer is no.

[Q] Given the sentence "Lynyrd skynyrd stands at the mic on stage." is it true that "There is a large canopy over the stage at this outdoor event."?
[A] There isn't necessarily a large canopy over that stage and there's not necessarily an outdoor event.
The answer is it is not possible to tell.

[Q] Premise: "A man walks by red telephone booths."
Hypothesis: "Silent bob appears from nowhere in the first booth."
Do we know that the hypothesis entailed by the premise?
[A] A man cannot both walk by a telephone booth and appear from nowhere in a telephone booth.
The answer is no.