Four friends make predictions on the result of a race for 4 runners An, Bình, Cường, Dũng:

- An finishes second; Bình finishes third.

- Bình finishes second; Cường finishes fourth.

- Cường finishes third; Dũng finishes second.

- Dũng finishes first; Bình finishes third.

Four runners finish in four diferrent positions, and each friend has one correct prediction, and one wrong prediction. Which position does An finish?