context: It is highly likely that John moved to the office. It is unlikely that Lily is a frog. There is little chance that Sandra left the milk. There is almost no chance that if either Sandra left the milk, or Lily is a frog, then Gertrude is a mouse. It is almost certain that if Sandra left the milk, and John moved to the office, then Greg is a lion. It is probably not the case that if Sandra left the milk, or Lily is a frog, then Bernhard is a swan.
hypothesis: We believe that lily is a frog, and Gertrude is a mouse.
valid_hypothesis: It is impossible that lily is a frog, and Gertrude is a mouse.
invalid_hypothesis: We believe that lily is a frog, and Gertrude is a mouse.
hypothesis_assertion: Lily is a frog, and Gertrude is a mouse.