claim: UNESCO's City of Literature program aims to suppress the social, economic and cultural development of cities in both the developed and the developing world.
evidence: Penstemon strictus , the Rocky Mountain penstemon , is a penstemon -LRB- common name beardtongue -RRB- with showy blue flowers .. Penstemon. Penstemon. penstemon. penstemon. beardtongue. beardtongue