Q: Given the sentence "Three police officers conversing rollerblades." can we conclude that "Roller blade cops are at the board walk."?
Options:
- yes
- it is not possible to tell
- no
A: Police officers could be conversing rollerblades at many places and nothing implies that they are at the board walk.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man is sitting in a chair with a musical keyboard beside him."
Hypothesis: "A man is ready to play music."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man sitting near a keyboard does not imply that he is ready to play music.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man playing a guitar while a couple is listening and watching another man dancing to the music." is it true that "The couple is watching a musical performance at the concert."?
People can be listening to music and dancing without attending a musical performance.
The answer is it is not possible to tell.

Q: Can we conclude from "Workers preparing foo in a restaurant." that "Workers are getting the food ready."?
Options:
- yes
- no
- it is not possible to tell
A: If they are preparing foo then they are getting the food ready.
The answer is yes.

QUESTION: If "An older man sits and looks at his computer screen with his face in his hands." does that mean that "A woman is chopping carrots."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A person is not both a woman and a man and chopping carrots is very different from looks at a computer screen.
The answer is no.

QUESTION: Can we conclude from "A rollerblader in a red hat is grinding on an elevated metal pole." that "A rollerblader is grinding on a pole of sorts."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The fact that it is a metal pole does not imply a pole of sorts.
The answer is it is not possible to tell.