Student asked: Premise: "A mustached man in a white shirt is at a stand that displays cigarettes and glass bottles of various sodas."
Hypothesis: "A man is looking at various things that can be purchased."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Cigarettes and glass bottles are various things that can be purchased. The answer is yes.

Student asked: If "A bearded old gentleman plays a split guitar outside." does that mean that "The man is singing an original song he wrote years ago."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. All playing a split guitar need not necessarily be singing an original song written by them years ago. The answer is it is not possible to tell.

Student asked: Premise: "A beautiful lake in the mountains with people sitting under umbrellas on it's shore while other people swim."
Hypothesis: "Boat and raft in the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People are huddled under the pavilion as the storm rages on. The answer is no.

Student asked: Test for natural language inference.
Premise: "Two people sit in the sun on a bench with their backs to a bridge and a city."
Hypothesis: "Two people sit in the sun."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Both sentences refer to two people who sit in the sun. The answer is yes.