R & A: To be behind a wedding cake is to be by it.
yes
Q: Given the sentence "A couple stands behind their wedding cake." is it true that "The couple stands by the cake."?

R & A: If a man is leading a line dance he does not try to pet a dog.
no
Q: Given the sentence "A man in a white robe leading other people in a line dance of some sort." is it true that "A man tries to pet a dog."?

R & A: If a man walks across a tightrope he cannot be riding his bike down a bike ramp.
no
Q: Premise: "A man walks across the tightrope."
Based on this premise, can we conclude that the hypothesis "A man rides his bike down a bike ramp." is true?
Options:
- yes
- it is not possible to tell
- no

R & A: The fact that children are swinging doesn't imply they are laughing and playing.
it is not possible to tell
Q:
Given the sentence "Children are swinging in the air." can we conclude that "The children are laughing and playing."?
Options:
- yes
- it is not possible to tell
- no