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 "A surfboarder catches the waves." can we conclude that "A surfboarder in the water."?
Options:
- yes
- it is not possible to tell
- no

SOLUTION: Let's solve this gradually. A surfboarder has to be in the water to catch the waves.
Answer is yes.


QUESTION: If "A girl in a polka dotted top and pink pants plays outside." does that mean that "The girl is inside the house."?
Options:
- yes
- it is not possible to tell
- no

SOLUTION: Let's solve this gradually. A girl cannot be inside and outside at the same time.
Answer is no.


QUESTION: Test for natural language inference.
Premise: "A man playing a plastic flute while a seagull looks on."
Hypothesis: "A man serenades a seagull with a ditty on a plastic flute as he strolls along the beach."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

SOLUTION:
Let's solve this gradually. It cannot be inferred that the man playing the plastic flute is serenading a seagulls as he strolls along the beach.
Answer is it is not possible to tell.