context: It is certain that Brian is a rhino. It is probable that Sandra dropped the apple. It is highly likely that Bernhard is a lion. It is likely that if Sandra dropped the apple, and Bernhard is a lion, then Greg is a frog. It is probable that if Sandra dropped the apple, and Brian is a rhino, then Mary left the milk. It is impossible that if either Brian is a rhino, or Sandra dropped the apple, then Jeff discarded the milk.
hypothesis: It is probably the case that jeff discarded the milk, or Sandra dropped the apple.
valid_hypothesis: It is probably the case that jeff discarded the milk, or Sandra dropped the apple.
invalid_hypothesis: We doubt that jeff discarded the milk, or Sandra dropped the apple.
hypothesis_assertion: Jeff discarded the milk, or Sandra dropped the apple.