Task: Question Answering
Input (English): Problem: in the coordinate plane , points ( x , 2 ) and ( 8 , y ) are on line k . if line k passes through the origin and has slope 1 / 2 , then x + y = 
Options: a ) 8 , b ) 6 , c ) 5 , d ) 3 , e ) 2
Output (English): a