context: It is unlikely that Lily is a lion. It is likely that John left the apple. We doubt that Mary went to the kitchen.
hypothesis: We believe that john left the apple, or Lily is a lion.
valid_hypothesis: We believe that john left the apple, or Lily is a lion.
invalid_hypothesis: It is improbable that john left the apple, or Lily is a lion.
hypothesis_assertion: John left the apple, or Lily is a lion.