context: Chances are slight that Sumit is bored. It is probable that Brian is a frog. It is highly unlikely that Julius is green. There is almost no chance that if Sumit is bored, or Julius is green, then Lily is a rhino. It is highly likely that if Julius is green, and Brian is a frog, then Sandra left the milk. Chances are slight that if Sumit is bored, or Brian is a frog, then Daniel is in the office.
hypothesis: It is impossible that either Brian is a frog, or Daniel is in the office.
valid_hypothesis: There is a better than even chance that either Brian is a frog, or Daniel is in the office.
invalid_hypothesis: It is impossible that either Brian is a frog, or Daniel is in the office.
hypothesis_assertion: Either Brian is a frog, or Daniel is in the office.