With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: In the foreground, a soccer player wearing orange and black moves to intercept two players wearing white uniforms as they run towards the camera in pursuit of the soccer ball while in the background a man in a blue soccer uniform looks on. As a soccer player moves to intercept, he is making a foul on the play.
text_B: The referee doesn't do anything.
weakener.