context: It is certain that Bill went to the kitchen. There is a better than even chance that Mary put down the milk. Chances are slight that John moved to the garden. There is a very good chance that if either Bill went to the kitchen, or Mary put down the milk, then Julius is white. Chances are slight that if Bill went to the kitchen, or Mary put down the milk, then Bernhard is green. It is improbable that if either Mary put down the milk, or Bill went to the kitchen, then Winona is a sheep.
hypothesis: It is highly unlikely that winona is a sheep, or Mary put down the milk.
valid_hypothesis: There is a better than even chance that winona is a sheep, or Mary put down the milk.
invalid_hypothesis: It is highly unlikely that winona is a sheep, or Mary put down the milk.
hypothesis_assertion: Winona is a sheep, or Mary put down the milk.