context: It is probably the case that John went to the kitchen. There is almost no chance that Fred is in the park. It is certain that Greg is yellow.
hypothesis: There is almost no chance that either Fred is in the park, or Greg is yellow.
valid_hypothesis: It is certain that either Fred is in the park, or Greg is yellow.
invalid_hypothesis: There is almost no chance that either Fred is in the park, or Greg is yellow.
hypothesis_assertion: Either Fred is in the park, or Greg is yellow.