context: It is certain that Julius is a rhino. It is improbable that Jessica is a mouse. It is improbable that Greg is white. There is little chance that if Julius is a rhino, and Greg is white, then Emily is a sheep. Chances are slight that if Julius is a rhino, and Jessica is a mouse, then Bernhard is a frog. There is almost no chance that if Greg is white, or Jessica is a mouse, then Mary went to the kitchen.
hypothesis: It is impossible that either Julius is a rhino, or Mary went to the kitchen.
valid_hypothesis: It is certain that either Julius is a rhino, or Mary went to the kitchen.
invalid_hypothesis: It is impossible that either Julius is a rhino, or Mary went to the kitchen.
hypothesis_assertion: Either Julius is a rhino, or Mary went to the kitchen.