context: It is probably not the case that Bernhard is a frog. There is a better than even chance that Mary moved to the office. It is highly unlikely that Brian is a rhino. We believe that if Bernhard is a frog, or Mary moved to the office, then Julius is a swan. It is probable that if Mary moved to the office, and Bernhard is a frog, then Daniel is in the garden. We doubt that if Bernhard is a frog, or Mary moved to the office, then Emily is a wolf.
hypothesis: We doubt that either Julius is a swan, or Mary moved to the office.
valid_hypothesis: We doubt that either Julius is a swan, or Mary moved to the office.
invalid_hypothesis: It is probable that either Julius is a swan, or Mary moved to the office.
hypothesis_assertion: Either Julius is a swan, or Mary moved to the office.