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

Input: Consider Input: The Church of the Savior on Spilled Blood, built on the site of the assassination of Tsar Alexander II, is in which Russian city?

Output: church of the savior on blood


Input: Consider Input: Angel Clare is a character in which novel by Thomas Hardy?

Output: angel clare


Input: Consider Input: What character did Christopher Lee play in two Star Wars movies?


Output: christopher lee