给定一个简单的英文段落，要 GPT 模型将段落转化为关键词列表。
The quick brown fox jumps over the lazy dog. The dog slept comfortably in the shade of the tree. The squirrel collected nuts for the winter.
关键词列表： quick, brown, fox, jumps, lazy, dog, slept, shade, tree, squirrel, collected, nuts, winter.