Student asked: Test for natural language inference.
Premise: "A child in blue jeans pulls off a red jacket in front of a mirror."
Hypothesis: "A boy is struggling to get out of his winter coat after he came inside from playing in the snow."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Not every child in blue jeans and a red jacket is a boy. A child can pull of his jacket without struggling to get out of it. Not all red jackets are winter coats. Just because is child is taking off his jacket does not mean that he has just come inside from playing in the snow. The answer is it is not possible to tell.


Student asked: Given the sentence "A red biplane in the sky." can we conclude that "With a trail of smoke."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The biplane is making a trail of smoke in the sky. The answer is yes.


Student asked: Premise: "Several children are standing on a sidewalk playing a game."
Hypothesis: "The game is taking place indoors."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The game cannot simultaneously take place indoors and on a sidewalk. The answer is no.


Student asked: Given the sentence "A smiling bearded man wearing safety goggles and a brown checked shirt is holding a brown toy lemur which has a white face." can we conclude that "A man has a white rubber ball."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. One can be having either a toy lemur or a rubber ball. The answer is no.