context: We doubt that Mary went to the garden. We believe that Greg is a lion. It is probable that Lily is gray.
hypothesis: It is unlikely that greg is a lion, or Lily is gray.
valid_hypothesis: It is almost certain that greg is a lion, or Lily is gray.
invalid_hypothesis: It is unlikely that greg is a lion, or Lily is gray.
hypothesis_assertion: Greg is a lion, or Lily is gray.