Student asked: Can we conclude from "Greyhound dog in yellow jersey and running on a dirt track." that "The dog is in blue."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Two men cannot be a dog in a yellow jersey or a blue jersey. The answer is no.


Student asked: Premise: "A group of saddled camels and their riders."
Hypothesis: "A group prepares to take a tour of the pyramids."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A group of camels and their riders does not imply the group prepares to take a tour of the pyramids. The answer is it is not possible to tell.


Student asked: Can we conclude from "A man gives a presentation." that "The man does not give a presentation."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. You cannot give a presentation and not give a presentation at the same time. The answer is no.


Student asked: Premise: "One guy in water sports gear is surfing on the water."
Based on this premise, can we conclude that the hypothesis "The man is prepared for the water." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. If a guy is in water sports gear then the man is prepared for the water. The answer is yes.