context: It is probably the case that John discarded the milk. It is probably the case that Bernhard is green. Chances are slight that Brian is a swan.
hypothesis: It is highly likely that brian is a swan, and John discarded the milk.
valid_hypothesis: It is highly unlikely that brian is a swan, and John discarded the milk.
invalid_hypothesis: It is highly likely that brian is a swan, and John discarded the milk.
hypothesis_assertion: Brian is a swan, and John discarded the milk.