Cedric thought hard and finally came up with a riddle. 'I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?' The dragon pondered for a moment before answering, 'You are an echo.' Cedric nodded, impressed by the dragon’s wisdom. 'Now, it’s your turn. What can run but never walks, has a mouth but never talks, has a head but never weeps, and has a bed but never sleeps?' The dragon thought for a moment and then smiled. 'You are a river.'