Student asked: Can we conclude from "Older man riding public transportation while reading a newspaper." that "The man is reading a book."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The man can't be reading a book and reading a newspaper at the same time. The answer is no.


Student asked: If "A man in a cap holds a vuvuzela horn and waves a large red& green flag adorned with a crest." does that mean that "A man is a fan of soccer."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A vuvuzela horn is a soccer thing and a flag along with that implies a soccer fan. The answer is yes.


Student asked: Given the sentence "A batter in a white uniform takes a huge swing at the ball." is it true that "A person is trying to hit the ball."?
Teacher's response: Let's think. Just because he takes a swing doesn't mean he's trying to hit the ball. The answer is it is not possible to tell.


Student asked: Premise: "A snowboarder performs a trick by riding down the rail of a staircase."
Based on this premise, can we conclude that the hypothesis "Snowboarder flipping down staircase." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The snowboarder is either flipping down the staircase or performing a trick. The answer is no.