Student asked: If "Two trolley repair men are fixing a line." does that mean that "Two workers are repairing a line."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Repair men are workers and fixing is a synonym for repairing. The answer is yes.


Student asked: Given the sentence "A man in a purple shirt and a black hat is taking a picture with a yellow digital camera." is it true that "A man in a red shirt and blue cap is taking a picture with a green camera."?
Teacher's response: Let's think. Someone wearing a purple shirt and black hat with a yellow camera would not be wearing a red shirt and blue cap while using a green camera at the same moment. The answer is no.


Student asked: Test for natural language inference.
Premise: "A person in a red jacket stands under a snow-covered tree."
Hypothesis: "A person in a black jacket stands next to a desert cactus."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Red jackets are different colors and black jackets. A snow-covered tree cannot be the same as a desert cactus. The answer is no.


Student asked: If "A white dog is carrying a ball across the grass nearby a fence." does that mean that "A white dog is sleeping on couch."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The white dog can not sleep it's carry a ball across the grass. The answer is no.