[QUESTION] Can we conclude from "Two men in yellow are dancing with two men in brown on a stage." that "The guys are all dancing."?
Options:
- yes
- no
- it is not possible to tell
Two men dancing and two men on a stage does not imply that all of the guys are dancing.
The answer is it is not possible to tell.

Q: Premise: "A man in a green shirt is on the computer in a small room."
Hypothesis: "A man is on the internet doing research."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Being on a computer does not indicate being on the internet necessarily or that one is doing research.
The answer is it is not possible to tell.

QUESTION: If "Little kid is looking at the old man with a sack on his back." does that mean that "The kid is looking at the man."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The kid is looking at the man because he has a sack on his back.
The answer is yes.

[QUESTION] If "A dog swims." does that mean that "There is a dog swimming in a lake."?
Options:
- yes
- it is not possible to tell
- no
A dog swimming is not assumed to be in a lake.
The answer is it is not possible to tell.

Q: Given the sentence "A man wearing a hat is standing in a crowd of people." can we conclude that "A man standing in a crowd of people is wearing a hat."?
Options:
- yes
- it is not possible to tell
- no
A: The man is certainly wearing a hat and is definitely standing in a crowd of people.
The answer is yes.

[QUESTION] Premise: "Lead singer of a band holds a paper and a microphone stand with this band playing behind."
Based on this premise, can we conclude that the hypothesis "There is a person in this picture." is true?
Options:
- yes
- it is not possible to tell
- no

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
Lead singer of a band is a person in this picture.
The answer is yes.