[QUESTION] Given the sentence "A person riverrafting." is it true that "A man is river rafting down the mississippi."?
A person riverrafting is not assumed to be doing so down the mississippi.
The answer is it is not possible to tell.

Q: If "A black dog looking at a fly." does that mean that "Dog tempted by a fly."?
Options:
- yes
- it is not possible to tell
- no
A: A black dog looking at a fly is not always tempted by a fly.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A clown with a yellow wig and shirt and multicolored suspenders holds an orange balloon in both hands while a child in a black hat looks on." that "A clown is holding a balloon."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: If a clown is holding an orange balloon then he is holding a balloon.
The answer is yes.

[QUESTION] Premise: "A woman walking down the street."
Hypothesis: "A woman is on her way to a party."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A woman can walk down a street for many reasons therefore it cannot be assumed that the woman is on her way to a party.
The answer is it is not possible to tell.

Q: Premise: "A man wearing a cap stands behind the counter of a shop where sausages and peperoni hang."
Hypothesis: "The man is not wearing a cap."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The man not wearing a cap is not standing behind a counter.
The answer is no.

[QUESTION] Given the sentence "A single man wear a black mask with several people in the background." can we conclude that "A man in a black mask at a costume party."?
Options:
- yes
- it is not possible to tell
- no
Just because a single man wear a black mask with several people in the background does not mean that he is at a costume party.
The answer is it is not possible to tell.