With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Shirtless man wearing rollerskates in a large crowd with a sweat towel that reads "just love me". The sweat towel that a man has was given to him as a gift.
text_B: The man throws the towel to an onlooker saying 'I think this is yours, I found it on the bench'
weakener.