context: There is a very good chance that Emily is a sheep. There is almost no chance that Lily is a frog. It is probable that Bernhard is white. We doubt that if either Emily is a sheep, or Lily is a frog, then Bill went to the kitchen. It is certain that if Emily is a sheep, and Lily is a frog, then John picked up the milk. Chances are about even that if Lily is a frog, or Emily is a sheep, then Mary dropped the apple.
hypothesis: It is highly likely that either Lily is a frog, or Bill went to the kitchen.
valid_hypothesis: It is unlikely that either Lily is a frog, or Bill went to the kitchen.
invalid_hypothesis: It is highly likely that either Lily is a frog, or Bill went to the kitchen.
hypothesis_assertion: Either Lily is a frog, or Bill went to the kitchen.