A student must keep the nuance in both sources. Source A (Gray): shared bikes solve last-mile travel for some riders, but stations clustered downtown leave other neighborhoods with little benefit, describing bike-share systems as "mobility with a map bias". Source B (Carter): usage data can guide station placement if planners also consult residents. Problem draft: Both sources show shared bikes solve last-mile travel for some riders, but stations clustered downtown leave other neighborhoods with little benefit, a mobility with a map bias, and usage data can guide station placement if planners also consult residents. Which revision is best for an AP synthesis paragraph?