QUESTION: Can we conclude from "Two very friends lost in the middle of the desert with nothing but a portable black mattress and a book with maps." that "Two people wonder in a desert."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The two people are friends and they are lost in a desert.
The answer is yes.

QUESTION: Premise: "A dog leaps on a man."
Hypothesis: "A man has a treat for a dog."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A dog might leap on a man even if he does not have a treat.
The answer is it is not possible to tell.

QUESTION: Given the sentence "The people are standing around at the auto show." is it true that "People broswe wares at the gun show."?

Let's solve it slowly:
Contradicting statement of people at gun show as against auto show in first sentence.
The answer is no.