Q: Given the sentence "Three people sit at an outdoor table in front of a building painted like the union jack." is it true that "A group of people are eating lunch."?
A: Outdoor table sitting is not limited to only eating or lunch.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man in midair doing a bicycle stunt on a half pipe."
Hypothesis: "The bicyclist is sitting on the park bench."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: One is either doing a stunt or sitting but not both at the same time.
The answer is no.

[QUESTION] Premise: "A black dog with brown on his face is swimming."
Hypothesis: "A black dog is swimming across a pond holding a stick in his mouth."
Do we know that the hypothesis entailed by the premise?
Because a black dog is swimming doesn't mean he has stick in his mouth.
The answer is it is not possible to tell.

Q: Can we conclude from "A woman in a white tennis outfit has just performed a tennis serve." that "A woman wearing a white football uniform just performed a tennis serve."?
Options:
- yes
- no
- it is not possible to tell
A: You can not be in a tennis outfit and football uniform at the time.
The answer is no.

QUESTION: Given the sentence "A soccer player quickly puts the ball back into play as a an opposing player marks him closely." is it true that "The two teams are across town rivals."?

Let's solve it slowly: Two players do not have to be an entire team. Two players playing against each other does not mean they are across town rivals.
The answer is it is not possible to tell.

QUESTION: Premise: "A skateboard is sideways in the air."
Hypothesis: "The boy got mad and threw the skateboard in the air."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Skateboard in the air does not imply a boy got mad and threw it.
The answer is it is not possible to tell.