Student asked: Given the sentence "A shirtless boy is walking down the beach holding a large branch." is it true that "A boy wearing pink is walking holding a tree branch near the park."?
Teacher's response: Let's think. The boy cannot be shirtless and wearing pink at the same time. The answer is no.

Student asked: If "A girl is dressed up and waiting by a brick wall." does that mean that "There is a girl ready to go."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A girl that is dressed up and waiting is ready to go. The answer is yes.

Student asked: Can we conclude from "A young man hanging over the side of a boat." that "Which is in a like with fog rolling over a hill behind it."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The man fell out of the boat because the fog kept him from seeing well. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "Hiking in the mountains down steep terrain."
Hypothesis: "Several people hike down the mountain trail."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The fat that there is hiking down steep terrain doesn't imply down the mountain trail. The answer is it is not possible to tell.