Identify Risk & Plan Quality

Identify Risk has Quality Mgmt Plan as input and Risk Register as output. In Plan Quality, Risk Register is an input and QMP is the output. Chicken egg situation!! Can someone cite the sample scnarios for botht the cases to be vaild?

Planning is always Iterative and you need to remember this. Heard about progressive elaboration? This is a classic example of it. Rest I am giving you to think :-)