With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A lady in black pants, white t-shirt with red writing across breast, doing a stretch exercise on top of a concrete sphere with a 18th century building surrounding the sphere. A lady does stretches on a work of art.
text_B: The concrete sphere has a "do not touch" sign on it.
strengthener.