Task: Question Answering
Input (English): If Anthony had 3 times as many marbles as he actually has, he would have 5 as many marbles as Billy has. What is the ratio of the number of marbles Anthony has to the number of marbles Billy has?
(A)1 : 9 (B)1 : 3 (C)1 : 1 (D)3 : 1 (E)9 : 1
Output (English): A