Consider a queue Q that is initially empty and for which only the following three operations are allowed. Enqueue an integer from the input sequence into Q. . . Dequeue an integer from Q and move it to the output sequence . Dequeue an integer from Q and enqueue the integer back into Q. Given the input sequence 5, 6, 7, which of the following output sequences is (are) possible? L 5,6,7 L. 7,5,6 m. 7,6,5 O A) I only O B) I and II only O C) I and III only OD) ?and III only OE) 1, 11, and 111