With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A bartender with a black shirt and gloves on is pouring a brown drink into two glasses with the assistance of a rod. A bartender is filling the glasses of a VIP that has just arrived from a stretch limo.
text_B: A neighborhood regular of the bar will be downing the brown drinks.
weakener.