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 impossible that the men are shopping at the market.
valid_hypothesis: It is impossible that the men are shopping at the market.
invalid_hypothesis: It is probably the case that the men are shopping at the market.
hypothesis_assertion: The men are shopping at the market.