Input: who are the judges for season 25 of dancing with the stars?

Output: Len Goodman

Input: who plays claire underwood's mom on house of cards?

Output: Ellen Burstyn

Input: when did companies start using high fructose corn syrup?

Output: in the early 1970s

Input: who topped the forbes world's billionaires list 2017?

Output:
Microsoft founder Bill Gates