With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Three people are in an airport with one laying on the ground, a woman sitting against the window and a man standing with his luggage. Three people are in the waiting impatiently in the airport, waiting for their gate to open.
text_B: The are all tapping their feet and looking around for the gate attendant.
strengthener.