Student asked: Premise: "A young rapper is performing a head twist and dancing while his friend plays the music."
Based on this premise, can we conclude that the hypothesis "There is a rapper." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. If a young rapper is performing a while his friend plays the music then it must be true that there is a rapper. The answer is yes.


Student asked: If "Two girls sitting down and looking at a book." does that mean that "The girls have no idea what a book is."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The kids can't be looking at a book if they have no idea what a book is. The answer is no.


Student asked: Given the sentence "A boy leaping to perform a toe-touch in front of a tree." can we conclude that "A boy is in front of an oak tree."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A tree doesn't imply an oak tree; there are many types of trees. The answer is it is not possible to tell.


Student asked: Premise: "Crowd gathered in city park."
Hypothesis: "The crowd was gathered for a orgy in city park."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. A crowd cannot be gathered in city park and be gathered for and orgy in city park at the same time. The answer is no.