QUESTION: Premise: "Man holding a sign supporting the troops."
Hypothesis: "The man made the sign by himself."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The man can be holding a sign that was was not made by himself.
The answer is it is not possible to tell.


QUESTION: Can we conclude from "A group of bicyclists riding down a city road with skyscrapers behind them." that "A group of bicyclists walk into a skycraper."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: To walk and riding are different actions that can't be done together.
The answer is no.


QUESTION: If "A trader yells on the floor of an exchange." does that mean that "A trader is at work."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:

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
Not all trader yelling on the floor of an exchange is at work.
The answer is it is not possible to tell.