Q: Given the sentence "A skateboarder on a ramp." is it true that "The skateboarder is performing a trick."?
A: A skateboarder on a ramp does not imply performing a trick.
The answer is it is not possible to tell.

QUESTION: Premise: "A group of families with their babies sit at the back of a truck on a bed of hay while traveling through a grassy field."
Hypothesis: "Some famiiies sit on the grass."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Sitting on a truck bed is not the same as sitting on the grass.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "The motorcycle is being driven by a man in green suit."
Hypothesis: "The motorcycle is being used by a man in a suit."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The motorcyclist may or may not be in a used suit.
The answer is it is not possible to tell.

Q: Given the sentence "A young boy wearing pajamas and older male are playing with a toy train set." can we conclude that "Two people are putting a train set together."?
Options:
- yes
- it is not possible to tell
- no
A: Playing with a train set and putting a train set together are not the same thing.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A lacross player hitting an oppenents stick." that "A lacross player is holding his opponents stick back."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Hitting a stick does not mean holding his opponents stick back.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A young man in a black shirt is looking at and pointing to a message on a giant machine bearing the brand name ""blackberry."
Hypothesis: "The man wants people to see the message."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The man wants people to see the message on the giant blackberry.
The answer is yes.