Input question: Between 1985 and 1991 a number of demonstrations and protests led to Estonia, Latvia and Lithuania variously taking back their independence from the USSR and (later) Russia; what overall name has characterised the revolution?

Output answer: singing revolution

Input question: Releve refers in ballet to standing while raising?

Output answer: heels

Input question: What U.S. state quarter features a cow, a cheese wheel and an ear of corn?

Output answer: wisconsin

Input question: In what modern-day country was Christopher Columbus born?

Output answer:
italy