context: There is little chance that Emily is a mouse. It is probably the case that John moved to the office. It is unlikely that Lily is yellow. Chances are about even that if either Emily is a mouse, or Lily is yellow, then Fred went to the hallway. Chances are slight that if John moved to the office, and Emily is a mouse, then Julius is a frog. It is probably the case that if either John moved to the office, or Lily is yellow, then Brian is green.
hypothesis: We believe that lily is yellow, or John moved to the office.
valid_hypothesis: We believe that lily is yellow, or John moved to the office.
invalid_hypothesis: We doubt that lily is yellow, or John moved to the office.
hypothesis_assertion: Lily is yellow, or John moved to the office.