Task: Text Categorization
Input (English): In one work by this writer, a character writes about Sapo throwing a cane through a window. Sapo later transforms into Macmann, who--unlike Sapo--is similar to the character who writes his story. That work is part of a trilogy that ends with The Unnamable. In another work by this writer, Nagg and Nell, the parents of Hamm, are stuck in ash bins. In another work, a character claims that he minds goats and that his brother who minds sheep gets beaten. The two main characters in that work are nicknamed Didi and Gogo by a character who owns the slave Lucky, and one of them often says "Nothing to be done." Name this Irish playwright of Malone Dies, Endgame, and Waiting for Godot ["GOD"-oh].
Output (English): Literature