With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: An African American female, with one sneaker on, a black sock on her other foot, pushes herself in a wheelchair, along an building, with a painting of a pink-haired, blue eyed female, looking shocked and afraid. A black woman is pushing an old wheelchair.
text_B: The metal on the wheel chair is very shiny.
weakener.