[QUESTION] Given the sentence "A female tennis player about to strike the ball." can we conclude that "A male baseball player scratches his behind."?
Options:
- yes
- it is not possible to tell
- no
It is either a female tennis player or a male baseball player. They are either about to strike the ball or they are scratching their behind.
The answer is no.

Q: Given the sentence "A window cleaner balances himself while he dries the window." can we conclude that "The window cleaner is holding something to dry the window."?
Options:
- yes
- it is not possible to tell
- no
A: The window cleaner is holding onto something in order to balance himself.
The answer is yes.

QUESTION: Can we conclude from "Men and women at reception at a business conference." that "There is men and women at a circus event."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The business conference is a very different event to a circus.
The answer is no.

[QUESTION] Can we conclude from "Two men in blue shirts smiling and shaking hands." that "The men are on opposite ends of a football field."?
Options:
- yes
- no
- it is not possible to tell
You can't reach each other to be shaking hands while on opposite ends of a football field.
The answer is no.

Q: Can we conclude from "A bald asian man is touching the molding on a window." that "He is checking to see if it needs to be repaired."?
Options:
- yes
- no
- it is not possible to tell
A: A man touching the molding on a window is not necessarily checking to see if it needs to be repaired.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man smiles as he looks down at an orange sports car that's parked at a curb."
Hypothesis: "He's happy because he just purchased the sports car."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Smiles does not necessarily mean happy and looks down does not mean he just purchased.
The answer is it is not possible to tell.