context: It is probably not the case that Jeff went to the kitchen. It is probable that Bernhard is a frog. It is impossible that Brian is a swan. It is probably not the case that if Brian is a swan, and Jeff went to the kitchen, then Mary got the apple. It is almost certain that if either Bernhard is a frog, or Jeff went to the kitchen, then John discarded the milk. It is almost certain that if Jeff went to the kitchen, or Bernhard is a frog, then Jason is bored.
hypothesis: There is little chance that john discarded the milk, or Bernhard is a frog.
valid_hypothesis: We believe that john discarded the milk, or Bernhard is a frog.
invalid_hypothesis: There is little chance that john discarded the milk, or Bernhard is a frog.
hypothesis_assertion: John discarded the milk, or Bernhard is a frog.