i need help in my speech writing assignment?

question:the principal of your sch has agreed to hold a week's course in the dec vacation for senior students like yourself.You will be given instruction on a useful subject that is not already covered in the sku curriculum.the subject will be chosen by you and your classmates.The suggestions are a first aid course,personal finance management course or personal fitness training course.write a speech in which to explain to your classmates which of the 3 courses you prefer and your reasons for your choice.Try to persuade them to support you and convince them that your chocice is the couse that shld be provided. hello everyone,i need help in my assignment.personally,i will choose personal fitness but i do not know how to start out as this is my first time writing a speech and i do not know what to elaborate on.pls help me.thanks