<prompt> Translate the following text to SwahiliPrehistoric man dotted the island with his mysterious cone-shaped nuraghi houses and watchtowers before it was colonized by Cretans, Phoenicians, Carthaginians, and Romans.  <response>: Watu wa kale waliishi katika kisiwa hicho wakiwa na nyumba na minara ya ulinzi yenye umbo la koni kabla ya wakoloni wa Krethe, Wafoinike, Wakarthage, na Waroma. 