[QUESTION] Test for natural language inference.
Premise: "A street vendor selling a variety of foods."
Hypothesis: "A street vendor is trying to make a living."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A street vendor selling a variety of foods isn't necessarily trying to make a living.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Close face shot of a baby with closed eyes and open mouth yawning." is it true that "A tired baby yawns after being awoken by its mother."?
A yawning baby doesn't imply that it has been awoken by its mother.
The answer is it is not possible to tell.

[QUESTION] Premise: "A dog leaping over a chain."
Based on this premise, can we conclude that the hypothesis "A dog sits calmly." is true?
Options:
- yes
- it is not possible to tell
- no
The dog cannot be leaping and sitting at the same time.
The answer is no.

[QUESTION] Can we conclude from "A man in a dress shirt and tie addresses a chef in a kitchen." that "The man is singing."?
Options:
- yes
- no
- it is not possible to tell

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
It's unlikely the man addresses a chef by singing to him.
The answer is no.