With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man with an umbrella, tan coat, and hat sits in the middle of a crowd holding his umbrella above his head and spraying a woman walking past him with a water bottle. The man is playing a practical joke on the woman.
text_B: The man is defending himself from being attacked by the woman.
weakener.