Liam came home after school and reached into his backpack for his house key. It was not there. He checked every pocket, looked inside his lunch bag, and even searched the ground near his front door. The key was gone.
He remembered stopping at the playground to watch his friends play soccer. Maybe he dropped it there. Liam walked back to the park and carefully looked around the benches, the swings, and the path. After a few minutes, he noticed something small shining under a bench. It was his key.
A woman sitting nearby smiled and said, "I saw it earlier and hoped the owner would return."
Liam thanked her for keeping an eye on it. He placed the key in a zippered pocket this time so it would not fall out again. When he finally unlocked his front door, he felt happy and relieved. From that day on, he always checked for his key before leaving.