With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A show horse being ridden by a woman in jockey clothes is about to jump over a white steeple on a green field in front of a parking lot with camper vans in it. The horse is a gray.
text_B: The show horse stands out from the rest of the crowd as it has been died strange colors
weakener.