context: It is improbable that Fred went to the office. There is almost no chance that Lily is a frog. It is probably the case that Brian is gray.
hypothesis: We doubt that fred went to the office, or Brian is gray.
valid_hypothesis: We believe that fred went to the office, or Brian is gray.
invalid_hypothesis: We doubt that fred went to the office, or Brian is gray.
hypothesis_assertion: Fred went to the office, or Brian is gray.