Task: Question Answering
Input (English): Problem: a and b began business with rs . 2000 and rs . 4000 after 8 months , a withdraws rs . 1000 and b advances rs . 1000 more . at the end of the year , their profits amounted to rs . 630 find the share of a . 
Options: a ) 175 , b ) 288 , c ) 277 , d ) 877 , e ) 361
Output (English): a