think about this:think over your personality first.if a character relates to you use the attribute he/she uses.if that doesn't work, think about the element that relates to your interests and hobbies.and if that doesn't work pick the attribute with the element that relates to yourself personality wise.works EVERY time.
or you could do the death test(don't worry its safe ;))would you rather die:1:in a fire2:drown3:in the air4:in your sleep5:peacefully6: in an earthquake