context: It is impossible that Bernhard is white. We doubt that Greg is a lion. We doubt that Sandra is in the garden.
hypothesis: It is probably not the case that greg is a lion, or Sandra is in the garden.
valid_hypothesis: It is probably not the case that greg is a lion, or Sandra is in the garden.
invalid_hypothesis: It is probably the case that greg is a lion, or Sandra is in the garden.
hypothesis_assertion: Greg is a lion, or Sandra is in the garden.