根据材料内容完成下列任务。

    Mr. White is 80 years old. Every morning he takes a walk in the park, and he comes back home at 12:30 for lunch. But today, a car stopped in front of (在……前面) his house at 12:00 and two police officers (警官) took Mr. White home. They said that Mr. White was lost. Mr. White's daughter thanked the police officers. After they left (离开), she asked Mr. White, “Dad, you go to the park every day. Why were you lost today?” The old man laughed like a child and said, “I was not lost, but I didn't want to walk home.”