Task: Question Answering
Input (English): Problem: in the xy - plane the point ( - 2 - 3 ) is the centre of a circle , the point ( - 2 , 1 ) lies inside the circle and the point ( 4 , - 3 ) lies outside the circle . if the radius r of the circle r is an integer then diameter ? 
Options: a ) 6 , b ) 10 , c ) 4 , d ) 3 , e ) 2
Output (English): b