With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A man with dark hair and mustache talks on his cellphone with a concerned look on his face, while looking at grapes and citrus fruit in front of him. A man on a cellphone had received bad news about his job.
text_B: The man is wearing a uniform for the McDonald's across the street and outside the window you can see police cars surrounding the building.
strengthener.