After the following statements execute, what item is at the front of the queue?

QueueInterface zooDelivery = new LinkedQueue();
zooDelivery.enqueue(“lion”);
zooDelivery.enqueue(“tiger”);
zooDelivery.enqueue(“cheetah”);
String next = zooDelivery.dequeue();
next = zooDelivery.dequeue();
zooDelivery.enqueue(“jaguar”);

• "jaguar"
• "tiger"
• "lion"