QUESTION: Given the sentence "A group of bike riders with helmets riding on a street." is it true that "A biker gang looking for trouble."?

Let's solve it slowly: Bike riders are not typically part of a biker gang looking for trouble.
The answer is it is not possible to tell.

[QUESTION] If "A man in a green shirt and red bandanna covering the upper half of his face." does that mean that "Is laying in the grass while a pigeon walks along side him."?
Options:
- yes
- it is not possible to tell
- no
A man is shading his eyes from the sun with a bandanna.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A group of hip young people walk down the street in a residential neighborhood."
Hypothesis: "Nerds are inside playing boardgames."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: If the nerds are inside playing then there are no young people that walks down the street.
The answer is no.

QUESTION: Premise: "A group of spectators outside in the cold."
Based on this premise, can we conclude that the hypothesis "All focusing on the same object." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The group of spectators are going home after a long game.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Two children pet horses in a field."
Hypothesis: "The horses can fly."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Horses cannot fly and be in a field at the same time.
The answer is no.

Q: Premise: "The yellow dog walks on the beach with a tennis ball in its mouth."
Based on this premise, can we conclude that the hypothesis "There is a dog outdoors." is true?
Options:
- yes
- it is not possible to tell
- no
A:
We know that there is a dog outdoors because Sentence 1 states that the yellow dog walks on the beach.
The answer is yes.