context: There is little chance that Mary went to the garden. It is impossible that Daniel left the milk. It is impossible that Lily is yellow. It is improbable that if either Mary went to the garden, or Lily is yellow, then Bernhard is green. It is certain that if either Daniel left the milk, or Mary went to the garden, then Greg is a frog. There is a better than even chance that if Daniel left the milk, or Mary went to the garden, then John discarded the apple.
hypothesis: It is probably the case that either Mary went to the garden, or Bernhard is green.
valid_hypothesis: Chances are slight that either Mary went to the garden, or Bernhard is green.
invalid_hypothesis: It is probably the case that either Mary went to the garden, or Bernhard is green.
hypothesis_assertion: Either Mary went to the garden, or Bernhard is green.