If I am going to click "no" and I see poor quality or bad annotation, I click the "poor quality" button first, and then I click no, otherwise it just advances to the next picture. You can also press back button to re-do. This is how I am doing them, be it right or wrong. I definitely see why you are confused because instructions aren't clear on that. I'm just telling you how I have been doing them.If some of the objects described don't have boundaries, you click NO, I also know how to use the Poor quality button after a YES as shown in the examples. What's confusing me is, do I still have to click Poor quality when not all boundaries are traced for the described objects. It's not in the examples and corner cases.
Edit: I emailed requester to clarify, not sure if he will respond, but if so, I will update