With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A person in baggy pants and brown hoodie, with a backpack, walks on a sidewalk with signs in Chinese. The young man in baggy clothes is in Chinatown in San Francisco looking for a place to get a meal.
text_B: The signs have an arrow pointing the way to someplace.
weakener.