context: A large tan dog is running with a green item in its mouth
hypothesis: It is highly unlikely that a large tan dog is running with a patch of grass in its mouth.
valid_hypothesis: It is highly unlikely that a large tan dog is running with a patch of grass in its mouth.
invalid_hypothesis: It is certain that a large tan dog is running with a patch of grass in its mouth.
hypothesis_assertion: A large tan dog is running with a patch of grass in its mouth.