With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man with a red shirt and black hat suspends himself in the air by sitting on a pole and clinging to two wires with his hands. A man in a circus sits on a pole and prepares to swing from some wires while wearing his costume.
text_B: A man in a circus sits on a pole wearing a satin jumpsuit covered with stars.
strengthener.