Student asked: Given the sentence "Two men dressed in black pants and shirts are lounging outside a door." is it true that "Two men are dressed in black pants because it is cold."?
Teacher's response: Let's think. The men are dressed in black pants but not necessarily because it is cold. The answer is it is not possible to tell.


Student asked: Can we conclude from "A woman plays the guitar and sings." that "Woman plays free show."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A woman may not be playing the guitar and singing for free. The answer is it is not possible to tell.


Student asked: Given the sentence "A person stands in the snow at the top of a mountian." can we conclude that "Arms raised."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man looks up at the mountain he is about to climb. The answer is no.


Student asked: Premise: "Three policemen sitting on top of their horses."
Hypothesis: "The three policemen on horseback are guarding the entrance."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. Just because the police are sitting doesn't mean they are guarding anything. The answer is it is not possible to tell.