Q: Test for natural language inference.
Premise: "People are taking pictures of an older style steam engine."
Hypothesis: "Pleaple are photographing a steam engine."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Taking pictures is photographing. An older steam engine is necessarily a steam engine.
The answer is yes.

Q: Premise: "Two people jump up and down on a cliff overlooking a valley."
Based on this premise, can we conclude that the hypothesis "Two people on a cliff are excited to have made it to the top to see the beautiful valley." is true?
Options:
- yes
- it is not possible to tell
- no
A: Just because they jump up and down does not mean they are excited.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A skier wearing purple is taking a break and is looking at a piece of paper."
Hypothesis: "A person is looking at paper."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A person is taking a break from skiing while looking at a piece of paper.
The answer is yes.

Q: Given the sentence "A leather clad biker wearing face-paint sits on his motorcycle next to another biker who is standing beside his bike on a city street." can we conclude that "The bikers are friends."?
Options:
- yes
- it is not possible to tell
- no
A:
Because the two bikers are beside each other does not mean they are friends.
The answer is it is not possible to tell.