Task: Question Answering
Input (English): Problem: a , b and c invests rs . 2000 , rs . 3000 and rs . 4000 in a business . after 2 year a removed his money ; b and c continued the business for two more year . if the net profit after 3 years be rs . 4000 , then a ' s share in the profit is ? 
Options: a ) 460 , b ) 289 , c ) 220 , d ) 400 , e ) 640
Output (English): e