context: It is certain that Brian is white. It is probably the case that Lily is a frog. Chances are about even that Jason is bored. We believe that if either Lily is a frog, or Jason is bored, then Mary went to the bedroom. It is unlikely that if Jason is bored, or Brian is white, then Daniel is in the office. Chances are about even that if Jason is bored, and Brian is white, then Julius is a frog.
hypothesis: It is impossible that mary went to the bedroom, or Jason is bored.
valid_hypothesis: We believe that mary went to the bedroom, or Jason is bored.
invalid_hypothesis: It is impossible that mary went to the bedroom, or Jason is bored.
hypothesis_assertion: Mary went to the bedroom, or Jason is bored.