Q: Can we conclude from "A crowd of people walk down a busy alleyway." that "A crowd of people walk down a busy street."?
Options:
- yes
- no
- it is not possible to tell
A: An alleyway is a small passage way for walkers and different to a street which is a much broader route for people and vehicles.
The answer is no.

QUESTION: Given the sentence "A person in an apron is selling many different sized fish on a stand." is it true that "A person is selling fish."?

Let's solve it slowly: Selling many different sized fish is a sufficient condition for selling fish.
The answer is yes.

[QUESTION] Premise: "A man preparing to repel down a mountain."
Hypothesis: "The man sits in the sand along the water's edge."
Do we know that the hypothesis entailed by the premise?
Person that sit down will not be repel down at the same time.
The answer is no.

Q: Test for natural language inference.
Premise: "A man in a robe leaning against a trashcan and watching pedestrians."
Hypothesis: "A man is looking for a friend."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Not all man in a robe leaning against a trashcan and watching pedestrians is looking for a friend.
The answer is it is not possible to tell.

QUESTION: Premise: "A man in a blue hooded sweatshirt has his hands on the back spokes of his upside-down bike."
Based on this premise, can we conclude that the hypothesis "As he sits on a low graffiti-covered wall among palm trees." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A boy is at a skate park attempting to repair his bike by the wall.
The answer is it is not possible to tell.

QUESTION: Premise: "A man in a plaid shirt and a blue helmet holds onto a blue rope while hanging against some large boulders."
Hypothesis: "The man in a plaid shirt is walking along the ground."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
One cannot be hanging against boulders and walking along the ground simultaneously.
The answer is no.