context: It is probably not the case that Emily is a cat. There is a very good chance that Lily is a frog. It is improbable that Sandra left the football. It is almost certain that if Lily is a frog, or Sandra left the football, then Daniel is in the office. It is probable that if Emily is a cat, or Lily is a frog, then John discarded the milk. We doubt that if either Emily is a cat, or Lily is a frog, then Brian is a lion.
hypothesis: It is probably not the case that either Lily is a frog, or John discarded the milk.
valid_hypothesis: It is probably not the case that either Lily is a frog, or John discarded the milk.
invalid_hypothesis: It is probable that either Lily is a frog, or John discarded the milk.
hypothesis_assertion: Either Lily is a frog, or John discarded the milk.