With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A woman in a blue hat and gray sweatshirt sits with a dark-haired female doctor while she has an IV in her hand. The woman is ill.
text_B: There is a 'Medical School' sign behind them and the doctor says 'See how easy it is?  Soon you'll be doing this yourself to others!'
weakener.