Task: Text Categorization
Input (English): The novel Nothing. No One. takes place during the aftermath of a devastating earthquake in this country. In a poem set in this country, the "red walls" of the title location turn black. In one novel set during a violent time in this nation's history, Demetrio is murdered in a canyon by a group of Federal Soldiers. A promise to meet the title figure in Comala begins the journey taken by Juan Preciado in one novel from this native country of Elena Poniatowska and (*) Mariano Azuela. One poem from this nation, where Pedro Paramo is set, describes "a crystal willow" and "a poplar of water," and has one line for each day of the Aztec calendar. For 10 points, name this home country of the poet of The Sunstone, Octavio Paz.
Output (English): Literature