Student asked: Premise: "A catcher tries to beat a runner to home plate."
Hypothesis: "The catcher decided to let the runner score a run."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A catcher can not try to beat a runner to home plate and let the runner score at the same time. The answer is no.

Student asked: Given the sentence "A large group of people watching others run a marathon." can we conclude that "The group of people are friends of the runners."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A group of people watching a race doesn't have to be friends. The answer is it is not possible to tell.

Student asked: Premise: "A mountain biker in a green shirt is suspended in the air."
Hypothesis: "A mountain biker in a red shirt is suspended in the air."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A mountain biker cannot be in a green shirt at the same time he is in a red shirt. The answer is no.

Student asked: Given the sentence "Someone is sitting in a building that has large windows to look outside." can we conclude that "And a bike is locked to a street sign outside."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Someone sitting in a building with a large window looking outside at a bike that is locked to a stop sign with a chain outside. The answer is it is not possible to tell.