With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Two African american females ride on a moped down a city street that appears to be in a well congested area of a large city area. The two African american females were trying to get to their destination
text_B: The two females are out for a joyride on a moped that they stole from the driver's brother.
weakener.