The answer would be 'your' because your is possessing the couch, but ''you're'' is a contraction which stands for "you are," and doesn't make sense.
Answer:While you will not actually say your specific purpose statement during your speech, you will need to clearly state what your focus and main points are going to be. The statement that reveals your main points is commonly known as the central idea statement (or just the central idea).
Explanat read that all
It is independent because it expresses a complete tought.