With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A few people standing around five orange port-a-potties which are placed in the middle of a city. A group of friends are waiting to use a a group of port-a-potties.
text_B: One of the guys says 'Well, when you gotta go, you gotta go'
strengthener.