 
 <prompt> Wetin fit be di main contribution of Dante, Boccacio and Petrach on top Italian language? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Dante Alighieri Divine Comedy, wey dem write for early 14th century, join medieval world view with classical ideals. Another person wey promote Italian language na Boccaccio with hin Decameron. Dem use vernacular no mean say dem reject Latin, as both Dante and Boccaccio write plenty for Latin and Italian, like Petrarch later go do (wey hin Canzoniere also promote vernacular and hin contents dey see as the first modern lyric poems). The three poets together establish the Tuscan dialect as the norm for modern Italian language. 