context: It is likely that Mary went to the kitchen. We believe that John moved to the office. There is almost no chance that Bernhard is a swan. There is a very good chance that if Bernhard is a swan, and Mary went to the kitchen, then Julius is a lion. It is probable that if John moved to the office, or Mary went to the kitchen, then Lily is a rhino. It is probably not the case that if either Mary went to the kitchen, or John moved to the office, then Winona is a sheep.
hypothesis: We believe that either John moved to the office, or Julius is a lion.
valid_hypothesis: We believe that either John moved to the office, or Julius is a lion.
invalid_hypothesis: It is improbable that either John moved to the office, or Julius is a lion.
hypothesis_assertion: Either John moved to the office, or Julius is a lion.