With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man wearing a khaki uniform with an inspector's patch on the sleeve wears a green vest and a wide-brimmed khaki hat, while pointing at a car parked on a bridge over a body of water. A man is pointing at his wife's car.
text_B: It has stalled on the bridge.
strengthener.