context: It is unlikely that Greg is yellow. There is little chance that Bernhard is a frog. We doubt that Lily is a frog. It is certain that if Bernhard is a frog, or Greg is yellow, then Julius is a swan. There is little chance that if either Bernhard is a frog, or Lily is a frog, then Mary is in the park. It is highly likely that if Lily is a frog, and Greg is yellow, then Antoine is bored.
hypothesis: It is unlikely that either Greg is yellow, or Mary is in the park.
valid_hypothesis: It is unlikely that either Greg is yellow, or Mary is in the park.
invalid_hypothesis: It is highly likely that either Greg is yellow, or Mary is in the park.
hypothesis_assertion: Either Greg is yellow, or Mary is in the park.