context: It is unlikely that Greg is a frog. It is likely that Fred moved to the office. It is impossible that Julius is gray.
hypothesis: It is likely that julius is gray, and Greg is a frog.
valid_hypothesis: It is impossible that julius is gray, and Greg is a frog.
invalid_hypothesis: It is likely that julius is gray, and Greg is a frog.
hypothesis_assertion: Julius is gray, and Greg is a frog.