Student asked: Can we conclude from "A white person is taking a picture on a digital camera while lying in the snow." that "A person is taking a picture of the snow."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The person is white. A camera is used to take a picture. The answer is yes.

Student asked: Can we conclude from "The sign indicates a marker for the arlington line." that "This is a sign for the nearest mcdonald's."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The sign cannot indicate a marker for The Arlington Line and indicate the nearest McDonald's at the same time. The answer is no.

Student asked: Given the sentence "The giraffe's mouth is closed." can we conclude that "The giraffe yells."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. You're mouth can't be closed and yells at the same time. The answer is no.

Student asked: Given the sentence "A standing singer entertains a small crowd in a dark theater." is it true that "With a red exit sign visible to his left."?
Teacher's response:
Let's think. A small audience claps as the singer finishes his last song. The answer is it is not possible to tell.