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

Example Input: Problem: a person want to give his money of $ 900 to his 3 children a , b , c in the ratio 2 : 3 : 4 . what is the b ' s share ? 
Options: a ) $ 400 , b ) $ 300 , c ) $ 500 , d ) $ 180 , e ) $ 200
Example Output: b

Example Input: Problem: the ratio of 2 numbers is 3 : 4 and their h . c . f . is 4 . their l . c . m . is ? 
Options: a ) 20 , b ) 24 , c ) 48 , d ) 36 , e ) 60
Example Output: c

Example Input: Problem: in township k , 1 / 4 of the housing units are equiped with cable tv . if 1 / 10 of the housing units , including 1 / 3 of those that are equiped with cable tv , are equipped with videocassette recorders , what fraction of the housing units have neither cable tv nor videocassette recorders ? 
Options: a ) 23 / 30 , b ) 11 / 15 , c ) 7 / 10 , d ) 1 / 6 , e ) 2 / 15
Example Output:
b