context: It is probably the case that Bill dropped the apple. There is almost no chance that Lily is a lion. It is impossible that Brian is a frog.
hypothesis: It is probable that either Bill dropped the apple, or Lily is a lion.
valid_hypothesis: It is probable that either Bill dropped the apple, or Lily is a lion.
invalid_hypothesis: It is unlikely that either Bill dropped the apple, or Lily is a lion.
hypothesis_assertion: Either Bill dropped the apple, or Lily is a lion.