context: There is a very good chance that Julius is a swan. There is a better than even chance that Fred went to the kitchen. We doubt that Sumit is thirsty. It is highly likely that if Fred went to the kitchen, and Julius is a swan, then Antoine is hungry. It is probable that if either Fred went to the kitchen, or Sumit is thirsty, then Emily is a cat. It is improbable that if Sumit is thirsty, or Fred went to the kitchen, then Lily is a frog.
hypothesis: It is likely that either Emily is a cat, or Fred went to the kitchen.
valid_hypothesis: It is probably not the case that either Emily is a cat, or Fred went to the kitchen.
invalid_hypothesis: It is likely that either Emily is a cat, or Fred went to the kitchen.
hypothesis_assertion: Either Emily is a cat, or Fred went to the kitchen.