Q: If "A dark-haired person in a yellow top is seated at what appears to be a grand piano." does that mean that "A person is seated at a piano."?
Options:
- yes
- it is not possible to tell
- no
A: A grand piano is a large type of piano. One can be seated on it.
The answer is yes.

QUESTION: Given the sentence "One man is using a mop." can we conclude that "While two other men watch from the background."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A worker cleans the floor at the end of a hard day of work.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two young children using a mortar and pestle grinding a product down."
Hypothesis: "Two young children are grinding down food for their supper."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Grinding a product down does not imply grinding down food for their supper.
The answer is it is not possible to tell.

Q: Given the sentence "A young boy leaps onto a water toy while five people look on." is it true that "There is a daring young boy leaping."?
A: A young boy leaps onto a water toy while five people look on does not indicate that there is a daring young boy leaping.
The answer is it is not possible to tell.

QUESTION: If "Elementary school students watch an experiment in a large glass apparatus." does that mean that "The students are in science class."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Watching an experiment does not imply that the students are in science class.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A dark-skinned male with dark hair stands outside of a building with a display of sunglasses in one hand and one hand above his head." is it true that "A man sells sunglasses to tourists."?

Let's solve it slowly:
The man with a display of sunglasses may not be selling sunglasses to tourists. Maybe he is selling them to businesses.
The answer is it is not possible to tell.