<prompt> Ruwuwa fuwuye suro paragraf adǝben - Robinson dǝ waltǝ medal-a suwondǝna suro bikkewa Pan Americanbe 2019be ladǝn  <response>: , shiye medal konnube suro mita 400-a kuru shila arinzabe suro mita 4 × 400-a, kuru shila arinzabe suro World Under-20 Championships 2018be suro mita 4 × 400-a. 