context: It is highly likely that Mary went to the garden. Chances are about even that Jeff discarded the apple. There is a very good chance that Greg is a frog. Chances are slight that if Greg is a frog, or Mary went to the garden, then Lily is a lion. It is certain that if either Jeff discarded the apple, or Greg is a frog, then Bernhard is a rhino. It is highly unlikely that if Greg is a frog, and Mary went to the garden, then John picked up the milk.
hypothesis: It is certain that jeff discarded the apple, or Lily is a lion.
valid_hypothesis: Chances are about even that jeff discarded the apple, or Lily is a lion.
invalid_hypothesis: It is certain that jeff discarded the apple, or Lily is a lion.
hypothesis_assertion: Jeff discarded the apple, or Lily is a lion.