context: It is improbable that Bill went to the office. It is unlikely that Greg is green. Chances are about even that Bernhard is gray.
hypothesis: Chances are about even that either Bernhard is gray, or Greg is green.
valid_hypothesis: Chances are about even that either Bernhard is gray, or Greg is green.
invalid_hypothesis: It is impossible that either Bernhard is gray, or Greg is green.
hypothesis_assertion: Either Bernhard is gray, or Greg is green.