context: It is likely that Winona is a cat. It is certain that Bernhard is a swan. There is almost no chance that Julius is a frog.
hypothesis: It is probably the case that julius is a frog, and Winona is a cat.
valid_hypothesis: There is almost no chance that julius is a frog, and Winona is a cat.
invalid_hypothesis: It is probably the case that julius is a frog, and Winona is a cat.
hypothesis_assertion: Julius is a frog, and Winona is a cat.