context: It is probably not the case that John discarded the milk. There is little chance that Greg is a lion. It is impossible that Sandra took the football.
hypothesis: It is probably not the case that sandra took the football, or John discarded the milk.
valid_hypothesis: It is probably not the case that sandra took the football, or John discarded the milk.
invalid_hypothesis: We believe that sandra took the football, or John discarded the milk.
hypothesis_assertion: Sandra took the football, or John discarded the milk.