Student asked: Given the sentence "A person in a black tee-shirt is holding a cup of bird food while yellow bird perches on her hand and two children smile in the background." is it true that "The person is working in a nature preserve."?
Teacher's response: Let's think. A person can hold a cup of bird food with a bird perched on her hand without working in a nature preserve. The answer is it is not possible to tell.

Student asked: Premise: "Three men with yellow vests doing work on the side of a street with three blue and white trucks nearby."
Hypothesis: "Three men have yellow vests."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Men who work on the side of a street wear yellow vests. The answer is yes.

Student asked: Given the sentence "Golden retriever puppy walking through snow." is it true that "A dog is in the snow."?
Teacher's response: Let's think. A puppy walking in the snow must be in the snow. The answer is yes.

Student asked: Can we conclude from "A woman with facial piercings and red-hair." that "A woman in a band."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Not all women with red hair and facial piercings are in a band. The answer is it is not possible to tell.