One day， a girl rode her bike on the street， She rode for hours and wanted to find a park to have a rest。 When she found a park， it was already 11 pm。 In the park， two people were swimming in the lake。
When she stopped to watch them， a thief stole her bike in a quiet。 When she wanted to go home， she found her bike lost。 She was very anxious， she had to ask a police for help。