With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A young boy slides down a blue slide with his eyes closed while a woman with sunglasses watches, smiling. A young boy slides down a blue slide with his eyes closed because he is scared that the woman will not catch him at the bottom.
text_B: The woman is waiting until the boy's eyes are closed before she shows him a surprise gift.
weakener.