In this task, you need to provide the correct option for a given problem from the provided options.

Input: Consider Input: Problem: the ratio of three numbers is 4 : 2 : 5 and their sum is 121 . the second number of the three numbers is ? 
Options: a ) 22 , b ) 26 , c ) 27 , d ) 29 , e ) 30

Output: a


Input: Consider Input: Problem: evaluate 50 ! / 47 ! 
Options: a ) 102500 , b ) 112584 , c ) 117600 , d ) 118450 , e ) 128450

Output: c


Input: Consider Input: Problem: right now , the ratio between the ages of sandy and molly is 4 : 3 . after 6 years , sandy ’ s age will be 30 years . what is molly ' s age right now ? 
Options: a ) 12 , b ) 14 , c ) 16 , d ) 18 , e ) 20


Output: d