QUESTION: Premise: "The rock band van halen is performing a recent concert."
Hypothesis: "The band is doing a charity concert for a local hospital."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The band can be performing for profit rather than for a charity event at a local hospital.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "The child is observing the object and is concentrating very hard." that "The child is watching something."?
Options:
- yes
- no
- it is not possible to tell
A child observing something does imply a child is watching something.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A rock climber repels off a rocky wall."
Hypothesis: "A climber comes down a rock face."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The climber repels off a rocky wall or comes down a rock face.
The answer is yes.

QUESTION: Premise: "A man stands in a strange position on a rock high above some trees."
Hypothesis: "A man is doing a werid pose on a tall rock."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Strange means weird. A pose is a position. A tall rock means it is high above the trees.
The answer is yes.

[QUESTION] Given the sentence "People are talking to each other on the sidewalk." can we conclude that "These people are good friends."?
Options:
- yes
- it is not possible to tell
- no
People may talk to other people they are not friends with.
The answer is it is not possible to tell.

Q: Given the sentence "Two college basketball teams duking it out." can we conclude that "People play big game."?
Options:
- yes
- it is not possible to tell
- no
A:
Just because two college basketball teams are duking it out does not mean they play a big game.
The answer is it is not possible to tell.