Thanks for the valuable input. Since I have to print line-by-line as we select the correct answer (this app is just to verify the correct answers), I chose not to use XML parsers since anytime the actual XML file several additional nodes that I don't need in (both inside and outside the question node). I have made some good progress by destroying and recreating RadioBox when the user selects next button. After testing the code thoroughly, I will post it and you can modify (if required) and add it to the examples.
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