QUESTION: Given the sentence "Many people are gathered under a large white tent for an event." is it true that "The people were outside celebrating."?

Let's solve it slowly: Being gathered under a large tent does not mean they are celebrating.
The answer is it is not possible to tell.

QUESTION: Premise: "A white man speaks in front of a camera on a sidewalk in a city."
Hypothesis: "A white man speaks in front of a camera inside his living room."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A living room would not be located on a sidewalk. A sidewalk would not be inside.
The answer is no.

QUESTION: If "A boy dressed in green rides a video motorbike game in front of ski ball machines." does that mean that "The boy is at an arcade."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
An arcade is not the only place to find video motorbike games.
The answer is it is not possible to tell.