Which relation is represented by the arrow diagram?

{(–2, 0), (–1, 0), (0, 6), (2, 1), (3, 2)}


{(–2, 0), (–1, 0), (0, 6), (2, 2), (3, 6)}


{(0, –2), (0, –1), (6, 0), (2, 1), (3, 2)}


{(0, –2), (0, –1), (6, 0), (1, 2), (2, 3)}