Even this was  Lentauw and Yamasami, Zulu tribesmen, entered the marathon because they happened to be in St. Louis as part of an exhibit about the Boer war.
Zulu tribesmen took no part in marathons or Boer war exhibits.
mnli hypothesis: Zulu tribesmen took no part in marathons or Boer war exhibits. premise: Even this was  Lentauw and Yamasami, Zulu tribesmen, entered the marathon because they happened to be in St. Louis as part of an exhibit about the Boer war.