context: A man in a blue uniform tries to shoot a basket during a basketball game, while surrounded by three men in white uniforms, and as another blue-uniformed player looks on.
hypothesis: It is highly unlikely that a basketball player has just blocked the shot of another player.
valid_hypothesis: There is a better than even chance that a basketball player has just blocked the shot of another player.
invalid_hypothesis: It is highly unlikely that a basketball player has just blocked the shot of another player.
hypothesis_assertion: A basketball player has just blocked the shot of another player.