Assume we run - pruning, expanding successors from left to right, on a game with tree as shown in Figure (a) below.

Which of the following statements are true and why? Choice 1 of 4: There exists an assignment of utilities to the terminal nodes such that no pruning will be achieved (shown in Figure (a)). Choice 2 of 4: There exists an assignment of utilities to the terminal nodes such that the pruning shown in Figure (b) will be achieved. Choice 3 of 4: There exists an assignment of utilities to the terminal nodes such that the pruning shown in Figure (c) will be achieved. Choice 4 of 4: None of the above.