QUESTION: If "A person in shorts with a tattooed calf holds the leash of a large white dog in a blue vest." does that mean that "A person takes their dog for a walk."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: It is unknown if it is their dog and they could be standing rather than going for a walk.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man in a yellow t-shirt is throwing a frisbee under his leg at what seems to be an organized sporting event."
Hypothesis: "A man does frisbee tricks at a disc golf tournament."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man can be throwing a frisbee and not be doing tricks. There are other games that can be played with frisbee besides disc golf.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Two black men dressed in military gear." that "A couple of people wait for directions."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
There ca be men and woman in a group on people.
The answer is it is not possible to tell.