QUESTION: Premise: "A man walks on the sidewalk by a sign."
Hypothesis: "A human on the sidewalk."
Do we know that the hypothesis entailed by the premise?

SOLUTION: Let's solve this gradually. A man is walking on the sidewalk by a street sign.
Answer is yes.


QUESTION: Given the sentence "Three people wearing white hard hats ride on a forklift." can we conclude that "One of them is wearing a blue hat."?
Options:
- yes
- it is not possible to tell
- no

SOLUTION: Let's solve this gradually. Three people wearing white hard hats mean that they are all wearing white hard hats. None of them can be wearing a blue hat.
Answer is no.


QUESTION: Given the sentence "Two motorcycles and their riders." is it true that "Two members of hell's angels."?

SOLUTION: Let's solve this gradually. Just because two motorcycles and their riders does not indicate that two members of Hell's Angels.
Answer is it is not possible to tell.


QUESTION: Test for natural language inference.
Premise: "A man stands behind a bar which serves a number of kinds of beer."
Hypothesis: "The bartender is hiding under a table."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

SOLUTION:
Let's solve this gradually. The man standing behind a bar cannot be hiding under a table simultaneously.
Answer is no.