Input question: A parody of Hitler and Nazism, what was Charlie Chaplin's first talking feature film?

Output answer: great dictator

Input question: Which brass musical instrument has a slide mechanism that enables the sounding length of the tube to be adjusted?

Output answer: trombone

Input question: What colours are on the flag used to signify the finish of a Formula One motor race?

Output answer: black and white

Input question: Which reptile's name comes from the Spanish ' el lagarto ' , meaning ' the lizard ' ?

Output answer:
alligator