context: It is impossible that John left the apple. There is a very good chance that Greg is green. It is highly unlikely that Emily is a cat.
hypothesis: It is probable that john left the apple, and Emily is a cat.
valid_hypothesis: It is impossible that john left the apple, and Emily is a cat.
invalid_hypothesis: It is probable that john left the apple, and Emily is a cat.
hypothesis_assertion: John left the apple, and Emily is a cat.