Which of the following sets of points would create a rectangle when connected

Question

(2,1),(3,2),(5,3),(1,5)
(1,2),(3,2),(3,5),(1,5)
(1,2),(3,1),(3,2),(1,5)
(1,2),(2,3),(3,5),(5,1)

Answer 1

The set of points that would create a rectangle when connected is:

(1,2), (3,2), (3,5), (1,5)