R & A: Just because a brightly-painted race car zips around a curve it does not mean the car is an F1.
it is not possible to tell
Q: Given the sentence "A brightly-painted race car zips around a curve." can we conclude that "A f1 car takes a sharp corner at the bahrain finals."?
Options:
- yes
- it is not possible to tell
- no

R & A: If someone is speaking at a conference then they must actually be speaking.
yes
Q: Can we conclude from "A man speaking at a conference." that "The man is speaking."?
Options:
- yes
- no
- it is not possible to tell

R & A: The two girls competing over the ball must be playing the sport of lacrosse.
yes
Q: Given the sentence "Two girls compete over the ball while playing lacrosse." is it true that "Girls playing a sport."?

R & A: Here people refers to man and woman on a gray and white rowboat.
yes
Q:
Premise: "A man and woman are on a gray and white rowboat."
Hypothesis: "There are people on a rowboat."
Do we know that the hypothesis entailed by the premise?