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

Ex Input:
Problem: how many factors of 270 are odd numbers greater than 1 ? 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 9

Ex Output:
e


Ex Input:
Problem: sandy is younger than molly by 20 years . if the ratio of their ages is 7 : 9 , how old is sandy ? 
Options: a ) 42 , b ) 49 , c ) 56 , d ) 63 , e ) 70

Ex Output:
e


Ex Input:
Problem: the l . c . m . of two numbers is 36 . the numbers are in the ratio 2 : 3 . then sum of the number is : 
Options: a ) 28 , b ) 30 , c ) 40 , d ) 53 , e ) 54

Ex Output:

b