With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man wearing a black shirt and blue jeans up in the air holding a plywood in each hand in front of a building that has a word "stomp". There is some graffiti on a building behind a man holding holding plywood
text_B: The paint on the wall reading 'stomp' is still wet.
strengthener.