about AIDs causes

*this is a speech not a presentation. please read everything.

The speech subject must be about AIDs causes.
speech instructions:
http://arb-up.com/yknpzsez3c1q/homework.pdf.html

all the instructions are in this PDF file. There is an example also about how should the whole thing look like. Please make sure it looks like it and have the same type. The content should be about AIDS. The main Idea you should wright about is AIDS causes.
You can use Wikipedia as main source to find the causes of AIDS.