context: It is likely that Lily is a frog. It is highly likely that Sandra grabbed the milk. It is certain that Gertrude is a mouse. It is impossible that if either Lily is a frog, or Gertrude is a mouse, then Greg is a frog. It is likely that if Lily is a frog, and Gertrude is a mouse, then Julius is green. There is a better than even chance that if either Sandra grabbed the milk, or Gertrude is a mouse, then Mary went to the office.
hypothesis: It is certain that lily is a frog, or Gertrude is a mouse.
valid_hypothesis: It is certain that lily is a frog, or Gertrude is a mouse.
invalid_hypothesis: It is improbable that lily is a frog, or Gertrude is a mouse.
hypothesis_assertion: Lily is a frog, or Gertrude is a mouse.