Task: Question Answering
Input (English): Problem: in the coordinate plane , points ( x , 6 ) and ( 10 , y ) are on line k . if line k passes through the origin and has slope 1 / 2 , then x * y = 
Options: a ) 52 , b ) 46 , c ) 60 , d ) 50 , e ) 35
Output (English): c