Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: Which analgesic drug, first isolated in 1804, was named after the Greek god of dreams ?

Output: analgesic

Input: Consider Input: Which 1981 film , directed by John Huston, starred footballers Bobby Moore, Pele and Osvaldo Ardiles?

Output: osvaldo ardiles

Input: Consider Input: Colonel Tom Parker, the Colonel being an honorary title only, made his mark managing what entertainer?
Output: colonel tom parker