With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A guy in a black jacket and blue jeans holding a large arrangement of roses while walking down the sidewalk. A guy in a black jacket and blue jeans holding a large arrangement of red roses while walking down the sidewalk.
text_B: The arrangement matches the color of a heart shaped box he is also holding.
strengthener.