It's like 'how do you prefer to be killed - shot, hanged or drowned?' when the answer is 'but I don't want to be killed!'
He was riding his bike through town and went into a store, came back out and saw that his bike had been stolen. His mom had to come pick him up, but by the time she arrived, he realized that he had just forgotten what his bike looked like and it hadn't been stolen after all. A week later, his bike was actually stolen. He has a bike lock, he just didn't think it was necessary.