With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A lady in a fold up chair eats while a man looks inside a car door that is parked on a curb. A man is looking at the car belonging to the door to door salesman he just killed and fed to his wife.
text_B: The man is careful to keep from getting blood on himself.
strengthener.