<prompt> Pedzisa mutsara unotevera: muAbiko, Chiba, inyanzvi yokushambira yeJapan, inonyanya kushambira mumvura yakazaruka. Akakwikwidza mumitambo yeOlympic yezhizha ya2012 uye  <response>: Mitambo yeOlympics ya2016, vachipedza vari pachinhanho chechi15 nechi8. 