context: It is probably not the case that Daniel got the apple. It is probable that Bernhard is a frog. It is probably not the case that Mary went to the hallway. It is likely that if Daniel got the apple, and Mary went to the hallway, then Brian is white. It is probably the case that if Bernhard is a frog, and Mary went to the hallway, then Lily is a rhino. We believe that if Mary went to the hallway, or Daniel got the apple, then Julius is a swan.
hypothesis: It is unlikely that either Mary went to the hallway, or Julius is a swan.
valid_hypothesis: It is unlikely that either Mary went to the hallway, or Julius is a swan.
invalid_hypothesis: It is certain that either Mary went to the hallway, or Julius is a swan.
hypothesis_assertion: Either Mary went to the hallway, or Julius is a swan.