With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A bunch of people wearing white shirts with a red handkerchief around their necks coming out of a stadium, while two men with a cup in their hand stare at something. The soccer team has won and the players look at the cup while watching the stadium empty.
text_B: The group of people are chanting and clapping as they exit
strengthener.