With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A brown-haired man wearing jeans, glasses, a pink shirt, and jacket is playing guitar and singing into a microphone. A men is performing a very popular country song that he wrote.
text_B: Someone in the audience comments 'Oh god, why can't he play anything original and fun?'
weakener.