Student asked: Premise: "Gray-haired man walks down the street."
Hypothesis: "The gray-haired man is walking in the city."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Man walking down the street is not necessarily in the city. The answer is it is not possible to tell.

Student asked: Premise: "2 men getting ready to cross the street under the 25% off sign."
Based on this premise, can we conclude that the hypothesis "Two men walk into a store." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Two men cannot be walking into a store and getting ready to cross the street at the same time. The answer is no.

Student asked: Premise: "A little boy is smiling as he splashes in some water and sits inside a couple of red and blue floating devices."
Hypothesis: "A boy is sitting inside a green and pink floating device."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Red and blue floating devices are not the same color as a green and pink floating device. The answer is no.

Student asked: Premise: "Four guys in a kitchen washing hands."
Hypothesis: "Guys washing off meat blood."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Just because guys are washing their hands in a kitchen does not mean they are washing off meat blood. The answer is it is not possible to tell.