context: It is probably not the case that Bernhard is a rhino. Chances are slight that Mary dropped the milk. We doubt that Lily is a lion.
hypothesis: It is probably not the case that either Mary dropped the milk, or Lily is a lion.
valid_hypothesis: It is probably not the case that either Mary dropped the milk, or Lily is a lion.
invalid_hypothesis: It is likely that either Mary dropped the milk, or Lily is a lion.
hypothesis_assertion: Either Mary dropped the milk, or Lily is a lion.