With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Two soccer players, one from a team wearing red and the other wearing white, are both going for the soccer ball, while people on the bleachers watch. Two soccer players from opposing teams are both going for the soccer ball while people on the bleachers cheer
text_B: The crowd is on their feet waving flags.
strengthener.