Input question: The 2013 film 'Rush' is about the rivalry between which two former Formula One racing drivers?

Output answer: james hunt and niki lauda

Input question: In which city is the Headquarters of the European Union?

Output answer: brussels

Input question: What is the name of the blue line on the Merseyrail map?

Output answer: northern line

Input question: Which ancient Roman festival, which ran until the 4th century AD involved sacrifices, partying and owners serving their slaves and was partly subsumed into Christmas?

Output answer:
saturnalia