QUESTION: Given the sentence "A brown dog is in an agility contest and running towards a blue tube." is it true that "A brown dog is winning a contest."?

Let's solve it slowly: Because it is in agility contest does not imply it is winning.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man in a blue shirt is sitting in a crowded setting beside a woman in a red dress that is looking out the window as they are surrounded by other people."
Hypothesis: "A dog with a tie on is sitting next to a cat."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: One refers to a man. the other refers to a dog.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A choir performing on stage with photographer in the audience."
Hypothesis: "A choir getting their pictures taken during a performance."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Getting your picture taken implies that there is a photographer taking the picture.
The answer is yes.