Which graph represents the solution set to this system of equations?

y = –1
2
x + 3 and y = 1
2
x - 1

On a coordinate plane, a line goes through (negative 4, 1) and (0, 3) and another line goes through (negative 2, negative 2) and (0, negative 1).
On a coordinate plane, a line goes through (negative 2, 2) and (0, 3) and another line goes through (negative 2, 0) and (0, negative 1).
On a coordinate plane, a line goes through (negative 2, 0) and (0, negative 1).
On a coordinate plane, a line goes through (0, 3) and (2, 2) and another line goes through (0, negative 1) and (2, 0).