Reasoning & Answer: Trimming a tree and trims a tree are different forms of the same phrase.
yes
Question: Given the sentence "A man in a cherry picker trims a tree." is it true that "A man trimming a tree."?

Reasoning & Answer: A jumping dog is not always trying to catch a ball.
it is not possible to tell
Question: Premise: "A dog jumps high in the snow."
Hypothesis: "A dog is trying to catch a ball."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Reasoning & Answer: If the building was on fire the man would not be using a guitar.
no
Question:
Given the sentence "A man in a black shirt and jeans stands at a microphone holding a guitar." can we conclude that "The building is on fire."?
Options:
- yes
- it is not possible to tell
- no