Student asked: If "A man in an orange shirt and a woman in a red and black polka-dotted dress walk past a graffiti-decorated brick wall." does that mean that "The man and woman are going to add to the graffiti."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Walking past a graffiti wall does not imply that they are going to add to the graffiti. The answer is it is not possible to tell.

Student asked: Premise: "A group of construction workers take measurements at night."
Based on this premise, can we conclude that the hypothesis "A man prays in a pew." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A group means more than a man. One cannot take measurements while one prays at the same time. The answer is no.

Student asked: Can we conclude from "A child getting a treat at the ice cream stand." that "A boy is getting a treat."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A boy infers that the child is a boy and one can not assume the child is a boy. The answer is it is not possible to tell.

Student asked: Premise: "A woman with a blue hat on holding an umbrella with a large crowd behind her."
Based on this premise, can we conclude that the hypothesis "A woman is alone." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. She can be either alone or with a large crowd behind her. The answer is no.