With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man in a gray t-shirt, hat and jeans, cutting a circle in the sidewalk, with an audience of men in the background. The men in the T-shirt is cutting a hole for a manhole in the sidewalk.
text_B: The job is hard and the worker is taking his time.
strengthener.