context: It is probably the case that Julius is a frog. There is a very good chance that Greg is yellow. There is almost no chance that John went to the garden.
hypothesis: It is improbable that julius is a frog, and Greg is yellow.
valid_hypothesis: There is a better than even chance that julius is a frog, and Greg is yellow.
invalid_hypothesis: It is improbable that julius is a frog, and Greg is yellow.
hypothesis_assertion: Julius is a frog, and Greg is yellow.