context: There is little chance that Mary dropped the milk. It is probably the case that Julius is a lion. Chances are about even that Lily is a frog. There is a very good chance that if Julius is a lion, or Mary dropped the milk, then Jessica is a mouse. It is unlikely that if Mary dropped the milk, or Julius is a lion, then John moved to the office. It is probably not the case that if either Mary dropped the milk, or Lily is a frog, then Greg is a swan.
hypothesis: There is a better than even chance that jessica is a mouse, and Julius is a lion.
valid_hypothesis: There is a better than even chance that jessica is a mouse, and Julius is a lion.
invalid_hypothesis: There is almost no chance that jessica is a mouse, and Julius is a lion.
hypothesis_assertion: Jessica is a mouse, and Julius is a lion.