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

[Q]: Which engineer built the Menai Suspension Bridge and the Caledonian Canal?
[A]: menai suspension bridge


[Q]: Trujillo and Chiclayo are cities in which country in the Americas?
[A]: chiclayo


[Q]: In which arcade game, would you find ghosts called Inky, Pinky, Blinky and Clyde?
[A]:
pinky