The author of the poem "Hip-Hop Planet" describes the legend of the Great Rock of Toubab Dialaw in order to
a) describes an image of hope that is similar to hip-hop
b) Show a lack of education of the people of Toubab Dialaw
c) describe the setting of the Chez Las restaurant to give it context
d) represent some non-French history in the story because the residents say they only learn French history.