The question is: Do you know the answer to this question? If you do, please send us a photo of your answer in the comments below. If you don't, please email us at jennifer.smith@mailonline.co.uk and we'll publish it in the next few days.

For confidential support on suicide matters call the Samaritans on 08457 909090 or visit a local Samaritans branch, see www.samaritans.org for details. In the U.S. call the National Suicide Prevention Line on 1-800-273-8255.