With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A number of people in white cowboy hats are sitting on horses and talking, while a man in a black cowboy hat sits on a nearby fence. A number of people are sitting on horses and talking about the upcoming horse race competition.
text_B: They are sitting around a fire with a pen of cattle in the background.
weakener.