context: It is unlikely that Greg is a frog. It is almost certain that Yann is bored. We doubt that Mary went to the garden.
hypothesis: It is unlikely that yann is bored, and Greg is a frog.
valid_hypothesis: It is unlikely that yann is bored, and Greg is a frog.
invalid_hypothesis: We believe that yann is bored, and Greg is a frog.
hypothesis_assertion: Yann is bored, and Greg is a frog.