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

Ex Input:
Problem: in a neighborhood having 90 households , 11 did not have either a car or a bike . if 14 households had a both a car and a bike and 44 had a car , how many had bike only ? 
Options: a ) 30 , b ) 35 , c ) 20 , d ) 18 , e ) 10

Ex Output:
b


Ex Input:
Problem: how many trailing zeroes does 53 ! + 54 ! have ? 
Options: a ) 12 , b ) 13 , c ) 14 , d ) 15 , e ) 16

Ex Output:
b


Ex Input:
Problem: in what ratio should a variety of rice costing rs . 5.5 per kg be mixed with another variety of rice costing rs . 8.75 per kg to obtain a mixture costing rs . 7.50 per kg ? 
Options: a ) 5 / 6 , b ) 5 / 9 , c ) 5 / 1 , d ) 5 / 8 , e ) 7 / 6

Ex Output:

d