context: It is probably the case that Lily is a frog. It is unlikely that Brian is a rhino. It is probably the case that Gertrude is a sheep. It is impossible that if Brian is a rhino, and Lily is a frog, then Julius is a swan. It is likely that if Brian is a rhino, and Lily is a frog, then Greg is gray. It is probably not the case that if Lily is a frog, and Gertrude is a sheep, then John moved to the office.
hypothesis: It is probable that gertrude is a sheep, and John moved to the office.
valid_hypothesis: It is improbable that gertrude is a sheep, and John moved to the office.
invalid_hypothesis: It is probable that gertrude is a sheep, and John moved to the office.
hypothesis_assertion: Gertrude is a sheep, and John moved to the office.