QUESTION: Premise: "A professor explaining a university level lecture."
Hypothesis: "A science teacher explaining planets."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Professor doesn't imply science teacher.A University level lecture can include many subjects other than planets.
The answer is it is not possible to tell.


QUESTION: Given the sentence "An old man is cooking his food." is it true that "The man is sick."?

Let's solve it slowly: One is usually not cooking and sick at the same time.
The answer is no.


QUESTION: Can we conclude from "An employee is vacuuming a building model." that "The employee is eating a lobster."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The employee cannot be vacuuming and eating lobster at the same time.
The answer is no.