If all the kids have their hands in their laps, then it is not possible for a boy to be raising his hand. If all the kids are sitting quietly, then there can't be kids laughing.


Context: A young boy raises his hand, as other young kids laugh in the back.
Hypothesis: The kids are all sitting quietly, with their hands in their laps.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?