With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man in a plaid shirt is hiding his face as his arms are being held behind him by a man in a black shirt. Man wearing a plaid shirt with his arms covering his face held back by another man in black shirt because he is trying to fight.
text_B: There is a police scanner attached to the man in black's belt.
strengthener.