context: It is highly unlikely that Jessica is a sheep. There is almost no chance that John picked up the milk. Chances are slight that Greg is a swan.
hypothesis: It is highly unlikely that either John picked up the milk, or Jessica is a sheep.
valid_hypothesis: It is highly unlikely that either John picked up the milk, or Jessica is a sheep.
invalid_hypothesis: There is a very good chance that either John picked up the milk, or Jessica is a sheep.
hypothesis_assertion: Either John picked up the milk, or Jessica is a sheep.