context: It is improbable that Emily is a cat. It is almost certain that Mary put down the apple. It is probable that John went to the kitchen. We doubt that if either Emily is a cat, or Mary put down the apple, then Julius is a lion. There is a very good chance that if John went to the kitchen, and Mary put down the apple, then Lily is green. It is probable that if either Emily is a cat, or Mary put down the apple, then Greg is a rhino.
hypothesis: Chances are slight that lily is green, or Emily is a cat.
valid_hypothesis: There is a better than even chance that lily is green, or Emily is a cat.
invalid_hypothesis: Chances are slight that lily is green, or Emily is a cat.
hypothesis_assertion: Lily is green, or Emily is a cat.