Student asked: Given the sentence "A man sits in a white room amongst various scientific-looking machinery." is it true that "A man is jogging in the park."?
Teacher's response: Let's think. He cannot sits and be jogging simultaneously. He can either be in a room or park. The answer is no.


Student asked: Premise: "A group of people are on the beach in cold weather and are jumping simultaneously."
Based on this premise, can we conclude that the hypothesis "A person sitting on a frozen lake ice fishing." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The person would not be jumping if they were ice fishing. One can only be on the beach or on the lake not on both at the same time. The answer is no.


Student asked: Given the sentence "A person is waving some sort of light source around while standing on a patch of grass." is it true that "The person waves a flag on the patch of grass."?
Teacher's response: Let's think. Person either waves a flag or some sort of light source. The answer is no.


Student asked: Premise: "The surfer is surfing the wave."
Hypothesis: "The surfer is wearing a black wet suit."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. The surfer is surfing the wave but he is not necessarily wearing a black wet suit. The answer is it is not possible to tell.