Here are some ideas to jump-start your writing!
1) Write an arguement between two characters that begins in bed.
2) Tell the story of a job interview that goes badly. The more your characters wants the job, the better the story will be.
3)Where is the strangest place you have gone to the bathroom?
4) Write about an incident that could be used against you if you ever ran for political office
5) Imagine what life would be like if you had the occupation you'd wanted as a child.
That should help get you writing!