With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: One person, smiling broadly, holds another person wearing a blue shirt; both are soaking wet, and it is nighttime. The people get wet in the rain, and they think it is funny.
text_B: The first person has just pulled the second person out of the water onto the deck of a boat.
weakener.