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

[Q]: Chris Difford and Glenn Tilbrook founded which band in 1974?
[A]: chris difford


[Q]: In 1981, in a move that met with considerable controversy, the Agriculture Department in the US proposed classifying pickle relish and what other condiment as vegetables in order to save money on school lunch programs?
[A]: condiment


[Q]: What field is Albert Einstein best known for working in?
[A]:
albert einstein