With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A woman dressed in all white and heels is walking in front of a wall with a mural on it. A woman is walking past a mural made by a famous artist.
text_B: The woman thinks the artist must be rich as well as famous to afford transporting his immense work around the country for viewing.
strengthener.