Q: Premise: "A person is riding a bike through a forest."
Hypothesis: "A man eats a sandwich."
Do we know that the hypothesis entailed by the premise?
A: If one is riding a bike through a forest one is not also eating a sandwich--due to the nature of the terrain in a forest one will eventually crash without both hands on the handlebars.
The answer is no.

QUESTION: If "A boy jumps from a high rock cliff to the water below." does that mean that "A boy jumps from a cliff."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A boy jumps from a high rock cliff is a rephrasing of boy jumps from a cliff.
The answer is yes.

[QUESTION] If "A bearded old gentleman plays a split guitar outside." does that mean that "The man is singing an original song he wrote years ago."?
Options:
- yes
- it is not possible to tell
- no
All playing a split guitar need not necessarily be singing an original song written by them years ago.
The answer is it is not possible to tell.

Q: Premise: "A man with safety ear covers working on wood."
Based on this premise, can we conclude that the hypothesis "A man working for his job." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man wearing safety gear and working on wood does not necessarily imply that it is his job to do so.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A lead singer and a guitarist are pictured in this concert photo performing one of their songs."
Hypothesis: "The lead singer has his eyes closed."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: We have not been told that the lead singer has his eyes closed.
The answer is it is not possible to tell.

QUESTION: Premise: "An old man dozes off near a bookshelf."
Based on this premise, can we conclude that the hypothesis "Grandpa fell asleep near the books." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
An old man is Grandpa and dozes off means fell asleep.
The answer is yes.