根据用户输入的指令，使用Belle group GPT生成一个短篇小说。
故事主题是一个未来世界中的天才科学家，主角名字是Nina。
Nina was a brilliant scientist in the future world. She spent her entire life discovering new technologies that would revolutionize the world. One day, Nina announced her latest invention that would change the world forever. Her revolutionary discovery created a new way of living for everyone, providing infinite energy for all. It was the greatest achievement in science that the world had ever seen, and Nina became a hero to all.