With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: The two young children are in black and white face paint and costumes while riding in a stroller, they are being pushed by a man also in face paint and a costume Some of the young children are participating in the costume contest.
text_B: They are stopped by a man who shows them to another group of costumed people
strengthener.