context: It is almost certain that Mary went to the office. There is little chance that Emily is a cat. It is probable that Lily is a frog. It is probably not the case that if either Lily is a frog, or Mary went to the office, then Julius is green. Chances are about even that if Lily is a frog, or Emily is a cat, then Brian is gray. It is unlikely that if either Lily is a frog, or Emily is a cat, then Bill is in the school.
hypothesis: We doubt that julius is green, or Lily is a frog.
valid_hypothesis: We believe that julius is green, or Lily is a frog.
invalid_hypothesis: We doubt that julius is green, or Lily is a frog.
hypothesis_assertion: Julius is green, or Lily is a frog.