context: It is highly unlikely that Bill went to the garden. We believe that John picked up the milk. There is little chance that Greg is a frog. Chances are slight that if Bill went to the garden, or John picked up the milk, then Mary moved to the office. We doubt that if Greg is a frog, or John picked up the milk, then Julius is a swan. It is certain that if either John picked up the milk, or Bill went to the garden, then Daniel took the football.
hypothesis: We believe that mary moved to the office, or Daniel took the football.
valid_hypothesis: We believe that mary moved to the office, or Daniel took the football.
invalid_hypothesis: It is highly unlikely that mary moved to the office, or Daniel took the football.
hypothesis_assertion: Mary moved to the office, or Daniel took the football.