With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Two people are wearing a Chinese dragon costume in front of an ornate Chinese gazebo with red pillars and the gazebo has two large red lanterns hanging from the roof. A few people participate in a parade
text_B: The people in a Chinese dragon costume walk down a city street as people watch from the sides.
strengthener.