With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A figure, whose face is obscured by water, in black pants and a black t-shirt leaps into the air with arms and legs spread wide, while tall jets of water shoot from the pavement below. A man leaps into the air, dressed in black, face blocked by water shooting from below.
text_B: The crowd gasps as the man lands the trick.
strengthener.