context: It is almost certain that Julius is green. It is impossible that Sandra got the milk. Chances are slight that John went to the bedroom. It is unlikely that if Sandra got the milk, or Julius is green, then Greg is a frog. It is unlikely that if Julius is green, and John went to the bedroom, then Jessica is a mouse. It is impossible that if John went to the bedroom, or Julius is green, then Lily is a frog.
hypothesis: It is improbable that either Julius is green, or Sandra got the milk.
valid_hypothesis: It is almost certain that either Julius is green, or Sandra got the milk.
invalid_hypothesis: It is improbable that either Julius is green, or Sandra got the milk.
hypothesis_assertion: Either Julius is green, or Sandra got the milk.