A man who throws a blue ball in a carnival game must be at a carnival. This, the, because a necessary condition.


Context: A man prepares to throw a blue ball at a stack of blocks in a carnival game; a display with the word "Blockbuster" is visible behind the game, as well as a variety of stuffed animals.
Hypothesis: A man is at a carnival.

Given this context, is the hypothesis true (Yes/No/I don't know)?