In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: in a rectangular coordinate system , what is the area of a rectangle whose vertices have the coordinates ( - 5 , 1 ) , ( 1 , 1 ) , ( 1 , - 4 ) and ( - 5 , - 4 ) ? 
Options: ['a ) 20', 'b ) 30', 'c ) 40', 'd ) 55', 'e ) 48']

Output: b


Input: Consider Input: Problem: on the coordinate plane , points p and u are defined by the coordinates ( - 1,0 ) and ( 3,3 ) , respectively , and are connected to form a chord of a circle which also lies on the plane . if the area of the circle is ( 25 / 4 ) π , what are the coordinates of the center of the circle ? 
Options: ['a ) ( 1.5 , 1 )', 'b ) ( 2 , - 5 )', 'c ) ( 0,0 )', 'd ) ( 1 , 1.5 )', 'e ) ( 2,2 )']

Output: d


Input: Consider Input: Problem: the area of a circular field is 13.86 hectares . find the cost of fencing it at the rate of rs . 4.90 per metre . 
Options: a ) 2399 , b ) 3888 , c ) 2999 , d ) 5808 , e ) 6468


Output: e