context: Chances are slight that Lily is white. It is impossible that Bernhard is green. It is probably the case that Greg is a lion.
hypothesis: It is highly unlikely that greg is a lion, and Lily is white.
valid_hypothesis: It is highly unlikely that greg is a lion, and Lily is white.
invalid_hypothesis: It is likely that greg is a lion, and Lily is white.
hypothesis_assertion: Greg is a lion, and Lily is white.