Student asked: Given the sentence "Two rock and roll performers on stage playing their guitars performing in front of a crowd." can we conclude that "One is male and one is female."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Two rock and roll performers are not necessarily that one is male and one is female. The answer is it is not possible to tell.


Student asked: If "A man and a woman walk through the street during a parade." does that mean that "A man and a woman are walking through a parade."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man is a man and a woman is a woman and walking is walking and a parade is a parade. The answer is yes.


Student asked: Given the sentence "A male tennis player that has just swung to hit a tennis ball." can we conclude that "The man is playing tennis with his wife."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Just because a male tennis player just swung to hit a tennis ball it does not mean he is playing tennis with his wife. He could be playing with another man or even just hitting the ball against a wall. The answer is it is not possible to tell.


Student asked: Can we conclude from "Man in yellow shirt running through water fountain." that "A man runs through a fountain."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. A man running through water fountain is different wording for a man runs through a fountain. The answer is yes.