QUESTION: Premise: "Man hitting a nail into a tree log."
Hypothesis: "A man is posting a sign into a tree."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because he is nailing a tree does not mean he is putting up a sign.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man is using electronic equipment."
Based on this premise, can we conclude that the hypothesis "A guy is talking on his cell phone." is true?
Options:
- yes
- it is not possible to tell
- no
Not all pieces of electronic equipment are cell phone so we cannot say a guy is talking on his cell phone.
The answer is it is not possible to tell.

Q: Premise: "A tan dog runs along a beach near wood stumps."
Hypothesis: "The dog is chasing a frisbee."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Running along a beach does not imply he is chasing a frisbee.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two scuba divers are diving underwater." can we conclude that "They are going for a swim."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The scuba divers are not necessarily just going for a swim.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two men wearing santa claus costumes are dancing while people watch."
Hypothesis: "Two old men wearing santa claus costumes are tango dancing while people watch."
Do we know that the hypothesis entailed by the premise?
The men might not be old and they might not be tango dancing.
The answer is it is not possible to tell.

Q: Given the sentence "Two blue collar workers are working on a stage." can we conclude that "Nobody is working."?
Options:
- yes
- it is not possible to tell
- no
A:
If nobody is working then two blue collar workers can't be working.
The answer is no.