context: Chances are slight that Mary left the football. It is likely that Gertrude is a wolf. It is probable that Bernhard is gray.
hypothesis: It is probably the case that either Mary left the football, or Bernhard is gray.
valid_hypothesis: It is probably the case that either Mary left the football, or Bernhard is gray.
invalid_hypothesis: There is little chance that either Mary left the football, or Bernhard is gray.
hypothesis_assertion: Either Mary left the football, or Bernhard is gray.