Q: Given the sentence "A crowd of people in knit hats standing near a van." is it true that "A crowd of people in knit hats are standing near a blue van."?
A: A crowd of people in knit hats standing near a van does not mean that they are standing near a blue van.
The answer is it is not possible to tell.

QUESTION: Premise: "Two dogs."
Based on this premise, can we conclude that the hypothesis "One with its mouth open." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: One of the 2 dogs opened their mouth to catch the treat thrown to them.
The answer is it is not possible to tell.

[QUESTION] Premise: "An older man sitting on a green upside down bucket playing the harmonica on a cobblestone sidewalk."
Hypothesis: "An elderly man plays the mouth harp outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
An older man can also be said to be a elderly man which defines the age.
The answer is yes.

Q: Given the sentence "This shows a red-haired woman eating a potato chip while she is glancing down." can we conclude that "The woman observes her fat belly as she eats more fattening food."?
Options:
- yes
- it is not possible to tell
- no
A: Just because a red-haired woman eating a potato chip while she is glancing down does not mean she observes her fat belly as she eats more fattening food.
The answer is it is not possible to tell.

QUESTION: Premise: "A large group of middle-school aged children with backpacks."
Based on this premise, can we conclude that the hypothesis "Walking on a paved hillside pathway." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A large group of children are stealing backpacks from a store and leaving down a hillside path.
The answer is it is not possible to tell.

QUESTION: Premise: "Body surfing at the concert."
Based on this premise, can we conclude that the hypothesis "A concert performer body surfing in a crowd of fans." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Not all body surfers are concert performers. Not all body surfing happens in a crowd of fans.
The answer is it is not possible to tell.