input question: What is the question to: "Gringo (, , ) is a slang Spanish and Portuguese word used in Ibero-America , to denote foreigners, often from the United States ."? The topic is Gringo.???
output answer: "what does Gringo mean?"

input question: What is the question to: "Its primary purpose is to track individuals for Social Security purposes."? The topic is Social Security number.???
output answer: "what is social security card used for?"

input question: What is the question to: "It is observed on the third Monday of January each year, which is around the time of King's birthday, January 15."? The topic is Martin Luther King, Jr. Day.???
output answer: "what day is the federal holiday for Martin Luther King Jr.?"

input question: What is the question to: "In 1947, she married Prince Philip, Duke of Edinburgh , with whom she has four children: Charles , Anne , Andrew , and Edward ."? The topic is Elizabeth II.???
output answer:
"when was queen elizabeth ii married?"