context: There is little chance that Jeff moved to the office. It is impossible that Bernhard is a frog. Chances are slight that Greg is white.
hypothesis: It is likely that either Greg is white, or Bernhard is a frog.
valid_hypothesis: It is improbable that either Greg is white, or Bernhard is a frog.
invalid_hypothesis: It is likely that either Greg is white, or Bernhard is a frog.
hypothesis_assertion: Either Greg is white, or Bernhard is a frog.