[QUESTION] Can we conclude from "A man speaking at a conference." that "The man is speaking."?
Options:
- yes
- no
- it is not possible to tell
If someone is speaking at a conference then they must actually be speaking.
The answer is yes.

Q: Given the sentence "A young attractive lady taking a stroll down the city street." can we conclude that "A female goes for a walk."?
Options:
- yes
- it is not possible to tell
- no
A: Goes for a walk is a rephrase of taking a stroll.
The answer is yes.

QUESTION: Premise: "A surgeon and two assistants perform an operation."
Hypothesis: "A surgeon with no assistants performing an operation."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The surgeon either with two assistants or no assistants performing an operation.
The answer is no.

[QUESTION] If "One young man is wearing a hat and protective goggles while snowboarding." does that mean that "A person snowboarding."?
Options:
- yes
- it is not possible to tell
- no
The person is snowboarding because the man is wearing a hat while snowboarding.
The answer is yes.

Q: Given the sentence "A homeless man is walking next to a graffiti-ed wall." is it true that "A very rich man is walking into an expensive store."?
A: A rich man is not homeless. Waling next to a wall is not walking into a store.
The answer is no.

[QUESTION] Given the sentence "Two young men do cycle figures on ramp." can we conclude that "Two guys are playing tennis."?
Options:
- yes
- it is not possible to tell
- no
The two men cannot be doing cycle figures and playing tennis at the same time.
The answer is no.