In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: what is the next number 12 13 15 17 111 113 117 119 123 129 ? 
Options: a ) 154 , b ) 220 , c ) 129 , d ) 131 , e ) 224

Output: d


Input: Consider Input: Problem: ages of two sisters differ by 9 years . if 5 years ago , the elder one was twice as old the younger one , find their present age 
Options: a ) 1228 , b ) 1423 , c ) 1632 , d ) 1834 , e ) 1932

Output: b


Input: Consider Input: Problem: how many distinct integer values of n satisfy the inequality | | n - 3 | + 4 | ≤ 14 ? 
Options: a ) 15 , b ) 12 , c ) 17 , d ) 18 , e ) 19


Output: b