With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A group of people stand in the dirt near two station wagons, with some sacks in the back of a station wagon and other sacks piled on the dirt. The people are unloading the bags from the car.
text_B: The bags are full of groceries and the cars are in the driveway.
strengthener.