With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A group of women quilters are smiling, as a man in a red shirt and a woman in a white shirt hold up a quilt with the words "Peace Knits" quilted into it. A group of quilters made a home made quilt in their club.
text_B: They are sitting behind sewing machines.
strengthener.