With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A young woman, dressed in a red shirt and black skirt, is dancing with a young man, dressed in a white shirt with red pants, in front of a projector screen which is showing a picture from a children's film. The young man is dancing with the woman at a school dance
text_B: A large audience seated in tiered seats claps for the dancers.
weakener.