2 years ago, the exam board slipped a task in that no teacher had ever taught before in terms of how to write one. It was not a requirement and as a result, marks went down as students guessed what to do next in the exam.
It was a lesson in expecting the unexpected, but just in case, here is an example of a section B piece of writing.
Do you think you could do this in 35 minutes? It was worth the most marks in the 2012 exam!