R & A: A man is not playing a piano if a woman is strumming a harp.
no
Q: Can we conclude from "A man is playing a black grand piano." that "A woman is strumming a harp."?
Options:
- yes
- no
- it is not possible to tell

R & A: A dog chews on a bone does not imply that he got it from his family.
it is not possible to tell
Q: Can we conclude from "A dog chews on a bone." that "A dog is chewing on a bone it got from its family."?
Options:
- yes
- no
- it is not possible to tell

R & A: A man with long hair doesn't necessarily mean a hippie. The fact that a man with long hair is playing a guitar doesn't imply that he plays a cover of Led Zeppelin song at a concert.
it is not possible to tell
Q: Given the sentence "A man with long hair is playing a guitar." is it true that "A hippie plays a cover of a led zeppelin song at a concert."?

R & A: Waiting does not infer sleeping and restaurants serve more than just coffee.
it is not possible to tell
Q:
Given the sentence "A man is sleeping in a booth at a restaurant." is it true that "The man is waiting for his coffee."?