Student asked: Premise: "A young bearded man in a gray hooded sweatshirt stirs a pot with a wooden spoon."
Hypothesis: "The man is eating a sandwich."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A sandwich would not be in a pot therefore he could not stir it. The answer is no.

Student asked: Premise: "An elderly lady washing a glass door."
Hypothesis: "A woman cleaning the smudge on her door."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. An elderly lady washing a glass door doesn't mean that she is cleaning the smudge on her door. The answer is it is not possible to tell.

Student asked: Given the sentence "A crowd next to a lake on a port next to a boat." can we conclude that "A graduation party at the lake."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The crowd next to a lake is not necessarily attending a graduation party. The answer is it is not possible to tell.

Student asked: If "A black and white dog catches flying discs thrown by a man." does that mean that "A man is throwing flying discs."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man is throwing flying discs while a black and white dog catches them. The answer is yes.