With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A young man in blue jeans and a blue tee-shirt an sunglasses is on a skateboard on pavement lined with palm trees. A man is riding a skateboard through a neighborhood he's never been to.
text_B: As the man rides two or three neighbors say hi to him and ask him how he is.
weakener.