I should also clarify this: I'm at the left turn and they're still approaching their current position.,. Do they yield to me because I was there first, or do they go because left must yield anyways?

http://i42.tinypic.com/70ay6x.png If you can't view the picture, I'll try to explain. If I am waiting to turn left at a green light (left signal is off), and there is an oncoming vehicle that is turning right but has a yield sign, who has right of way? Me turning left, or the car turning right at t...