The slope of AB is -4. Which segments are parallel to AB? Select each correct answer.

O GH, where G is at (1, 0) and H is at (1, 4)
O CD, where C is at (6, 2) and D is at (4, 10)
O JK, where J is at (8, 2) and K is at (12, 3)
O EF, where E is at (1, 9) and F is at (2, 5)