context: It is almost certain that Fred moved to the office. We doubt that Daniel left the football. It is likely that Lily is a swan. It is probably not the case that if Daniel left the football, or Fred moved to the office, then Brian is a lion. It is certain that if Lily is a swan, and Fred moved to the office, then Bernhard is yellow. It is likely that if either Daniel left the football, or Lily is a swan, then Emily is a wolf.
hypothesis: It is probably the case that either Fred moved to the office, or Brian is a lion.
valid_hypothesis: It is probably the case that either Fred moved to the office, or Brian is a lion.
invalid_hypothesis: There is little chance that either Fred moved to the office, or Brian is a lion.
hypothesis_assertion: Either Fred moved to the office, or Brian is a lion.