context: There is little chance that Sandra put down the milk. We believe that Mary went to the office. It is impossible that Julius is gray. It is almost certain that if Julius is gray, and Mary went to the office, then Daniel dropped the apple. There is a very good chance that if either Sandra put down the milk, or Julius is gray, then Bernhard is gray. It is almost certain that if Sandra put down the milk, or Julius is gray, then Lily is green.
hypothesis: We believe that mary went to the office, or Lily is green.
valid_hypothesis: We believe that mary went to the office, or Lily is green.
invalid_hypothesis: It is highly unlikely that mary went to the office, or Lily is green.
hypothesis_assertion: Mary went to the office, or Lily is green.