With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Facing downhill in a city street scene, a worker in kneeling on the ground adjusting something in front of several orange safety cones and a white drop-cloth. A worker is trying to find the Teenage Mutant Ninja Turtles
text_B: The worker's boss asked them to check for a blockage at a certain intersection.
weakener.