Student asked: Can we conclude from "A mountain biker makes his way up a grassy path on his red bicycle." that "A person is riding a train through a valley."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A person cannot ride a train and a bicycle at the same time. The answer is no.


Student asked: If "A man wearing a black t-shirt is walking with a grocery cart in a parking lot." does that mean that "The man did not walk through the parking lot."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One cannot walk in a parking lot while also not walk in the parking lot. The answer is no.


Student asked: Can we conclude from "A man in a blue and white is performing on stage with a red guitar." that "A man playing his favorite song for an audience."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A man in a blue and white performing on stage with a red guitar does not necessarily play his favorite song for an audience. The answer is it is not possible to tell.


Student asked: Given the sentence "A man is throwing a log into a waterway while two dogs watch." is it true that "A man has two dogs."?
Teacher's response:
Let's think. Two dogs have a right to watch as much as a man has. The answer is it is not possible to tell.