context: On stage, the innards of a piano are shown next to a man at a desk who is working on electronics, while a long-haired man is looking at a screen which shows "53:11".
hypothesis: It is probable that then men are performing a play.
valid_hypothesis: There is almost no chance that then men are performing a play.
invalid_hypothesis: It is probable that then men are performing a play.
hypothesis_assertion: Then men are performing a play.