context: There is almost no chance that Bill is in the kitchen. We doubt that Gertrude is a mouse. It is highly likely that John moved to the office. It is improbable that if either Bill is in the kitchen, or Gertrude is a mouse, then Yann is thirsty. It is likely that if either Gertrude is a mouse, or Bill is in the kitchen, then Daniel put down the milk. Chances are slight that if either John moved to the office, or Bill is in the kitchen, then Fred went to the garden.
hypothesis: It is impossible that bill is in the kitchen, and Gertrude is a mouse.
valid_hypothesis: It is impossible that bill is in the kitchen, and Gertrude is a mouse.
invalid_hypothesis: It is highly likely that bill is in the kitchen, and Gertrude is a mouse.
hypothesis_assertion: Bill is in the kitchen, and Gertrude is a mouse.