context: A large black dog and a small brown dog are playing in the house.
hypothesis: It is likely that the dogs are having a play date and don't live together.
valid_hypothesis: It is highly unlikely that the dogs are having a play date and don't live together.
invalid_hypothesis: It is likely that the dogs are having a play date and don't live together.
hypothesis_assertion: The dogs are having a play date and don't live together.