context: It is probably not the case that Mary went to the garden. Chances are about even that Julius is yellow. It is probably the case that Lily is a lion.
hypothesis: It is impossible that either Mary went to the garden, or Lily is a lion.
valid_hypothesis: There is a better than even chance that either Mary went to the garden, or Lily is a lion.
invalid_hypothesis: It is impossible that either Mary went to the garden, or Lily is a lion.
hypothesis_assertion: Either Mary went to the garden, or Lily is a lion.