Student asked: Test for natural language inference.
Premise: "A toddler rides a plastic vehicle while another watches in the background."
Hypothesis: "One toddler playing and the other is watching him play."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A toddler who rides a plastic vehicle is performing a specific type of playing. A toddler who watches in the background is by inference watching him play. The answer is yes.

Student asked: Can we conclude from "Police in riot gear are walking down a street." that "The police are preparing for a clash with demonstrators."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Preparing for a clash with demonstrators is not the only reason police walk down the street. The answer is it is not possible to tell.

Student asked: Can we conclude from "A group of mostly younger individuals hanging out in a hotel hot tub." that "A group of mostly younger individuals hanging out in a hotel hot tub happily."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The people in the hot tub may or may not be there happily. The answer is it is not possible to tell.

Student asked: Given the sentence "A red liquids travels down a grate as it leaks across a street." can we conclude that "The red liquid is a food colored martini in a bar."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The red liquid cannot cannot leak across a street and also be in a bar. The answer is no.