QUESTION: Given the sentence "A doctor and an emt are looking at a specimen in a medical tent." is it true that "The doctor and emt are having dinner."?

Let's solve it slowly: The doctor and EMT cannot be both having dinner and looking at a specimen in a medical tent.
The answer is no.

QUESTION: Can we conclude from "A man playing guitar with a black jacket." that "A guitar player wearing a black backet."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The guitar player is a man since he's wearing the black jacket.
The answer is yes.

QUESTION: Can we conclude from "A man dressed in a reflective vest is pulling cabling out of a truck." that "A man is pulling cabling out of a truck."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A man dressed in a reflective vest and pulling cabling out of a truck.
The answer is yes.