Input question: Who is the player who has come closest to meeting the modern definition of golf's Grand Slam by holding all four modern major championships simultaneously?

Output answer: tiger woods

Input question: Which famous smoker is associated with the expression 'three pipe problem'?

Output answer: sherlock holmes

Input question: Valance, fitted and flat are all types of what?

Output answer: sheets

Input question: With a metropolotian population of almost 19 million people, what is the most populous city in South America?

Output answer:
sao paulo brazil