context: Chances are about even that Brian is a lion. It is probably the case that Lily is a frog. It is unlikely that John moved to the office. It is probable that if Brian is a lion, and Lily is a frog, then Daniel left the apple. It is probably not the case that if either Lily is a frog, or Brian is a lion, then Mary is in the park. We believe that if John moved to the office, and Lily is a frog, then Jessica is a mouse.
hypothesis: Chances are about even that either Lily is a frog, or Brian is a lion.
valid_hypothesis: Chances are about even that either Lily is a frog, or Brian is a lion.
invalid_hypothesis: There is almost no chance that either Lily is a frog, or Brian is a lion.
hypothesis_assertion: Either Lily is a frog, or Brian is a lion.