QUESTION: If "A man stands on the back of a trash truck." does that mean that "A person is standing on a vehicle."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man is a person a trash truck is a vehicle and back of a trash truck is part of the vehicle hence the person is standing on a vehicle.
The answer is yes.


QUESTION: Test for natural language inference.
Premise: "An old man reading a periodical sitting in a bus beside a houseplant."
Hypothesis: "A man reading in a bus."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man reading in a bus refers to a man in a bus beside a houseplant.
The answer is yes.


QUESTION: Test for natural language inference.
Premise: "A family together at the beach enjoying themselves."
Hypothesis: "A family is enjoying a summer vacation."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
They could have been on the beach during any weekend instead of being on summer vacation.
The answer is it is not possible to tell.