context: It is certain that John moved to the office. It is probably the case that Sandra got the milk. It is unlikely that Bill went to the kitchen. It is highly unlikely that if either Bill went to the kitchen, or Sandra got the milk, then Greg is green. Chances are slight that if either John moved to the office, or Bill went to the kitchen, then Julius is white. It is impossible that if John moved to the office, and Sandra got the milk, then Emily is a mouse.
hypothesis: It is probable that either Sandra got the milk, or John moved to the office.
valid_hypothesis: It is probably not the case that either Sandra got the milk, or John moved to the office.
invalid_hypothesis: It is probable that either Sandra got the milk, or John moved to the office.
hypothesis_assertion: Either Sandra got the milk, or John moved to the office.