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

[Q]: On which date do we celebrate 'Boxing Day'?
[A]: boxing day


[Q]: Who was Domenikos Theotocopoulos better known as?
[A]: museum of el greco


[Q]: Which group had a 1978 UK No. 1 hit with Dreadlock Holiday?
[A]:
dreadlock holiday