Imitation — Grab the nearest book. Go to the seventh page. Read the first seven sentences.
Grab the nearest book. Go to the seventh page. Read the first seven sentences, gaining a sense of the author's voice and style.
Now continue writing! Include the seventh sentence of your chosen book as your first sentence, and write on from there, taking the story in a brand new direction. Try to emulate the author's style and tone, writing in their voice rather than your own. Remember to let us know the title of the book you chose!