Q: Can we conclude from "Dog chases ball in water." that "The dog is chasing a squirrel."?
Options:
- yes
- no
- it is not possible to tell
A: The dog can't be chasing a squirrel while he chases a ball.
The answer is no.

Q: Can we conclude from "A white bearded fellow looks like hes singing into a microphone." that "A person pretending to sing into a microphone."?
Options:
- yes
- no
- it is not possible to tell
A: A person is pretending to sing by looking like he's singing into the microphone.
The answer is yes.

Q: Test for natural language inference.
Premise: "A female cleans the area in front of a door by sweeping."
Hypothesis: "A woman sweeps the porch."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The area in front of a door is not necessarily a porch.
The answer is it is not possible to tell.

Q: Given the sentence "A man stands at a busy bus stop." can we conclude that "The passengers are waiting for the bus."?
Options:
- yes
- it is not possible to tell
- no
A:
Not all men are passengers. A man who stands at a busy bus stop is not necessarily waiting for the bus.
The answer is it is not possible to tell.