context: It is unlikely that Lily is a rhino. There is almost no chance that John went to the kitchen. Chances are about even that Bernhard is gray.
hypothesis: Chances are about even that either John went to the kitchen, or Bernhard is gray.
valid_hypothesis: Chances are about even that either John went to the kitchen, or Bernhard is gray.
invalid_hypothesis: It is impossible that either John went to the kitchen, or Bernhard is gray.
hypothesis_assertion: Either John went to the kitchen, or Bernhard is gray.