Student asked: Test for natural language inference.
Premise: "Three people in a line crossing a street in front of a delicatessen."
Hypothesis: "The thre people are going to eat lunch at the deli."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A person may walk by a deli without going to eat lunch there. The answer is it is not possible to tell.


Student asked: Premise: "A port filled with blue crates."
Based on this premise, can we conclude that the hypothesis "Blue crates are in the port." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A port filled with blue crates meas blue crates are in the pot. The answer is yes.


Student asked: Given the sentence "A trained police dog sits next to his handler in front of the police van." is it true that "A police dog and his handler are waiting for suspects next to the van."?
Teacher's response: Let's think. A dog sits next to his handler and may not be waiting for suspects. The answer is it is not possible to tell.


Student asked: Can we conclude from "A woman harnessed to a cable by a pulley." that "The woman is not wearing a harness."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. If woman is harnessed she cannot said to be not wearing a harness. The answer is no.