Student asked: Given the sentence "A person on a road bike pedals uphill quickly." can we conclude that "A person on a bike pedals uphill quickly because they are in first place."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A person who is biking is not necessarily in first place. The answer is it is not possible to tell.


Student asked: If "A smiling boy in winter clothes waves his mittened hands outside a building in the snow." does that mean that "It is cold outside."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Winter clothes and mittens are things you wear outside when it's cold. The answer is yes.


Student asked: Premise: "A person dressed in a black jacket holding a white bag."
Hypothesis: "Someone is coming back from a shopping trip."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Holding a bad does not imply coming back from a shopping trip. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "A shirtless man in white shorts is about to serve a tennis ball."
Hypothesis: "Nobody has shorts."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. A man will not be in white shorts if nobody has shorts. The answer is no.