[QUESTION] Test for natural language inference.
Premise: "A black dog approaches the camera with his hind legs raised and his ears forward."
Hypothesis: "The dog is playful."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A dog with hind legs raised may be distressed rather than playful.
The answer is it is not possible to tell.

Q: If "Two people in outdated clothing posing in front of a fast food counter." does that mean that "Two fashionably dressed gentleman order wine at a nice restaurant."?
Options:
- yes
- it is not possible to tell
- no
A: People in outdated clothing could not have been fashionably dressed .
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Two people in orange outfits cleaning trash off of a street."
Hypothesis: "The people are surfing in the ocean."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A street is not the ocean so you can't be at both at once.
The answer is no.

[QUESTION] Premise: "Man wearing a orange safety uniform is working on a railroad track."
Based on this premise, can we conclude that the hypothesis "Man working on a railroad track and wearing a orange safety uniform." is true?
Options:
- yes
- it is not possible to tell
- no
Man wearing a orange safety uniform is working on a railroad track is equivalent to a man working on a railroad track and wearing a orange safety uniform.
The answer is yes.

Q: Given the sentence "A person does a handstand with a snowboard on a yellow ramp." is it true that "An ice skater twirls in the middle of the rink."?
A: One cannot be snowboarding and ice skating at the same time. There can either be a ramp or a rink.
The answer is no.

[QUESTION] Given the sentence "Cowboy riding a bull at rodeo." is it true that "A man is riding on a large animal in front of others."?
Just because a cowboy rides a bull at a rodeo does not mean that he does so in front of others.
The answer is it is not possible to tell.