context: It is highly likely that John discarded the milk. There is a better than even chance that Mary went to the garden. It is almost certain that Bernhard is green. We doubt that if John discarded the milk, and Mary went to the garden, then Julius is a rhino. It is likely that if either Mary went to the garden, or Bernhard is green, then Sandra left the football. There is a better than even chance that if John discarded the milk, or Bernhard is green, then Lily is gray.
hypothesis: It is certain that john discarded the milk, and Mary went to the garden.
valid_hypothesis: Chances are about even that john discarded the milk, and Mary went to the garden.
invalid_hypothesis: It is certain that john discarded the milk, and Mary went to the garden.
hypothesis_assertion: John discarded the milk, and Mary went to the garden.