context: There is a better than even chance that Lily is a swan. It is almost certain that Greg is yellow. We doubt that Bernhard is a frog. It is likely that if either Bernhard is a frog, or Lily is a swan, then Gertrude is a cat. We believe that if Lily is a swan, and Greg is yellow, then Mary discarded the apple. It is almost certain that if either Lily is a swan, or Bernhard is a frog, then Julius is white.
hypothesis: It is probably not the case that gertrude is a cat, and Mary discarded the apple.
valid_hypothesis: It is probably not the case that gertrude is a cat, and Mary discarded the apple.
invalid_hypothesis: We believe that gertrude is a cat, and Mary discarded the apple.
hypothesis_assertion: Gertrude is a cat, and Mary discarded the apple.