Student asked: Test for natural language inference.
Premise: "There is a scientist looking through a microscope."
Hypothesis: "A scientist is creating a chemical reaction."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Looking through a microscope is not how you create a chemical reaction. The answer is no.


Student asked: Given the sentence "A couple walking down a busy sidewalk." can we conclude that "Some people are walking."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A couple is two people. Both are said to be walking. The answer is yes.


Student asked: Given the sentence "A long-haired lady performs in an equestrian event by the sea side." can we conclude that "The lady is singing."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One can't automatically infer that the lady is singing just because she performs. The answer is it is not possible to tell.


Student asked: If "A guy on a log." does that mean that "A guy sitting on a log."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Sentence 1: A guy on a log. Sentence 2: A guy sitting on a log. The answer is it is not possible to tell.