context: It is certain that Mary went to the office. It is certain that Julius is a frog. It is probably the case that Jessica is a sheep. It is probable that if Jessica is a sheep, or Mary went to the office, then Emily is a cat. We doubt that if either Mary went to the office, or Jessica is a sheep, then Brian is green. There is a very good chance that if either Julius is a frog, or Mary went to the office, then Bernhard is a frog.
hypothesis: We believe that either Mary went to the office, or Julius is a frog.
valid_hypothesis: It is impossible that either Mary went to the office, or Julius is a frog.
invalid_hypothesis: We believe that either Mary went to the office, or Julius is a frog.
hypothesis_assertion: Either Mary went to the office, or Julius is a frog.