A Vaughn item and an item could be the same thing.
The question and answer are below.
Test for natural language inference.
Premise: "A hockey goalie blocking a vaughn item."
Hypothesis: "A hockey goalie blocking an item."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes

The two dogs are running together but that doesn't imply that they are running behind a cat.
The question and answer are below.
Given the sentence "Two dogs are running together through mowed grass." can we conclude that "Some dogs are running behind a cat."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

A man doesn't mean street performer and showing off his talents doesn't mean the unique balancing on a string with a violin and he is in front of a crowd.
The question and answer are below.
Given the sentence "A street performer balances on a string while holding a violin." is it true that "A man is showing off his talents in front of a crowd."?
it is not possible to tell