context: It is probably the case that Emily is a cat. There is little chance that John went to the garden. There is a better than even chance that Lily is white. There is a better than even chance that if either John went to the garden, or Emily is a cat, then Bernhard is green. It is probably not the case that if either Lily is white, or Emily is a cat, then Greg is a frog. There is a very good chance that if either Emily is a cat, or Lily is white, then Mary is in the office.
hypothesis: Chances are about even that either Lily is white, or Bernhard is green.
valid_hypothesis: Chances are about even that either Lily is white, or Bernhard is green.
invalid_hypothesis: It is almost certain that either Lily is white, or Bernhard is green.
hypothesis_assertion: Either Lily is white, or Bernhard is green.