context: It is improbable that Mary picked up the milk. It is likely that Brian is yellow. There is a better than even chance that Julius is a frog. Chances are slight that if either Mary picked up the milk, or Julius is a frog, then Greg is green. It is highly unlikely that if either Brian is yellow, or Julius is a frog, then Bill went to the garden. There is a very good chance that if Julius is a frog, and Mary picked up the milk, then Lily is gray.
hypothesis: There is a better than even chance that greg is green, or Julius is a frog.
valid_hypothesis: There is a better than even chance that greg is green, or Julius is a frog.
invalid_hypothesis: There is almost no chance that greg is green, or Julius is a frog.
hypothesis_assertion: Greg is green, or Julius is a frog.