Q: Given the sentence "A dog is shaking off water in a lake as a red and green tennis ball floats by." can we conclude that "A dog plays near a lake."?
Options:
- yes
- it is not possible to tell
- no
A: A dog shaking off water in a lake not necessarily plays near a lake.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A young man with shaggy hair is standing in front of a painting."
Hypothesis: "A man with messy hair in a art gallery."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Man indicates older male whereas young man indicates a younger male.
The answer is no.

Q: Premise: "An older man in a long-sleeved black shirt is walking down a cobblestone street alone."
Hypothesis: "A person is walking."
Do we know that the hypothesis entailed by the premise?
A: A older man is an elderly person. They are usually walking alone.
The answer is yes.

Q: Test for natural language inference.
Premise: "A woman with a bright orange backpack is standing in front of a stairway."
Hypothesis: "A woman stands in front of the stairs."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Standing and stand describe the same action. Stairs are located in a stairway.
The answer is yes.