Imagine two people standing at placemark A and placemark E, looking at each other across the fault. Which of the following statements correctly describes the relative motion of the land opposite each observer?

a. To both observers, the land opposite them is moving to the right.
b. To both observers, the land opposite them is moving to the left.
c. To the observer at placemark A, the land at placemark Eis moving to the left
d. To the observer at placemark E, the land at placemark A is moving to the right.