Student asked: Given the sentence "Men preparing for a party." can we conclude that "The men prepared for the surprise party."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The party the men are preparing for may not be a surprise. The answer is it is not possible to tell.

Student asked: Premise: "A man standing in front of several cliff faces."
Hypothesis: "The man is taking a hike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man on a hike could be doing a number of other things beside standing in front of cliff faces. The answer is it is not possible to tell.

Student asked: Given the sentence "A group of people are standing around a grill outside." can we conclude that "A group of people cooking dinner."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People can stand around a grill even if they aren't cooking dinner. The answer is it is not possible to tell.

Student asked: If "A dog follows another dog around the corner but looks back." does that mean that "Two dogs are sleeping on a couch."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A dog that follows another dog around the corner cannot be sleeping on a couch same time. The answer is no.