context: It is certain that Bill is in the school. It is likely that Greg is yellow. There is little chance that Bernhard is a frog. It is almost certain that if Bernhard is a frog, or Greg is yellow, then Jason is hungry. It is improbable that if Greg is yellow, or Bill is in the school, then Mary picked up the milk. It is probably the case that if Bill is in the school, or Bernhard is a frog, then John got the apple.
hypothesis: It is highly likely that either Bernhard is a frog, or Bill is in the school.
valid_hypothesis: It is highly likely that either Bernhard is a frog, or Bill is in the school.
invalid_hypothesis: It is unlikely that either Bernhard is a frog, or Bill is in the school.
hypothesis_assertion: Either Bernhard is a frog, or Bill is in the school.