Q: If "A man running down a crowd lined street in a marathon." does that mean that "A mugger tries to evade police by blending in with large crowd."?
Options:
- yes
- it is not possible to tell
- no
A: A mugger evading police by blending in with a large crowd is a criminal not a marathon runner.
The answer is it is not possible to tell.

QUESTION: Premise: "Men in uniform dragging a canon for some kind of celebration with a pretty city in the background."
Hypothesis: "Some people are wearing uniforms."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Men in uniforms is another way of saying the people are wearing uniforms.
The answer is yes.

[QUESTION] If "A man wearing blue jeans and a gray sweatshirt is pulling on a rope in a parking lot with an orange and white crane behind him." does that mean that "Everybody is taking a rest."?
Options:
- yes
- it is not possible to tell
- no
Everybody refers to more than one man. One can be either pulling on a rope or taking a rest.
The answer is no.

Q: Can we conclude from "The boy in the orange shirt is throwing the ball." that "A girl runs away from her mother."?
Options:
- yes
- no
- it is not possible to tell
A: A boy and a girl are two different people. The would not be throwing and running at the same time.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A old man washing the windows of city lights books."
Hypothesis: "There is an old man."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: There has to be an old man there to have an old man washing the windows.
The answer is yes.

QUESTION: Given the sentence "Two brown and white dogs fighting on a grassy area in front of a tree." can we conclude that "Two dogs are fighting over a toy."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Two dogs fighting over a toy not necessarily do it on a grassy area in front of a tree.
The answer is it is not possible to tell.