QUESTION: Given the sentence "This group of young teenagers watch as one girl skips stones across the surface of the river water." is it true that "A girl throws a stone while other kids watch."?

Let's solve it slowly: Having a group of young teenagers watch one girl skip stones is the same as having a girl throw a stone while other kids watch.
The answer is yes.

[QUESTION] Premise: "A group of students are dressed in white and blue while marching down the street."
Hypothesis: "Group of students taking part in a parade."
Do we know that the hypothesis entailed by the premise?
Students dressed in white and blue can march down the street even when they aren't taking part in a parade.
The answer is it is not possible to tell.

Q: Premise: "A child is smiling."
Based on this premise, can we conclude that the hypothesis "Showing off his beautiful teeth." is true?
Options:
- yes
- it is not possible to tell
- no
A: A child is smiling for the dentist to take his picture.
The answer is it is not possible to tell.

QUESTION: Premise: "An elderly woman in pink sunglasses holding a newspaper."
Hypothesis: "The old hippi woman reads the news."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Just because she's wearing pink sunglasses doesn't mean she's a hippi.
The answer is it is not possible to tell.

[QUESTION] Premise: "A woman preoccupied with her mobile device."
Hypothesis: "A woman is baking a cake."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
If the woman is on her mobile device she is not baking a cake.
The answer is no.

Q: Premise: "A young girl practices gymnastics while two younger kids play in the background."
Hypothesis: "The girl is getting ready to take a psat test."
Do we know that the hypothesis entailed by the premise?
A:
The girl cannot practice gymnastics and be getting ready to take PSAT test.
The answer is no.