context: A inside view of an apartment showing 2 couches and a coffee table.
hypothesis: It is impossible that there is a man sitting on one of the couches doing a crossword puzzle.
valid_hypothesis: It is impossible that there is a man sitting on one of the couches doing a crossword puzzle.
invalid_hypothesis: Chances are about even that there is a man sitting on one of the couches doing a crossword puzzle.
hypothesis_assertion: There is a man sitting on one of the couches doing a crossword puzzle.