Input question: What is the name of the central character, a Harvard professor of religious iconology and symbology, in Dan Brown's novels 'Angels And Demons' and 'The Da Vinci Code'?

Output answer: robert langdon

Input question: Which pop group recorded the hit album 'The Lexicon Of Love'?

Output answer: abc

Input question: Which vegetable has varieties including 'Prince Albert, Champagne and Victoria'?

Output answer: rhubarb

Input question: Which two men are waiting for Godot?

Output answer:
vladimir and estragon