how to move only incorrect drag images?

I have a drag and drop exercise where - if the user gets the question wrong, I provide feedback with a link to review the material again ... after reviewing the content, they return to the question. When they return, I want only the correct answers to stay 'dragged' and anything they got wrong to return to its original xy position. I thought that I could add actions to move the drag items back based on xy position but the Question does not recognize the image objects in the target list and when I try to create the question from scratch, I can't figure out how to 'drag' an object on the page. Is there a way to associate a variable with an image so that maybe I can get this to work... unless of course there is another way to do this that is beyond my scope of experience??Thanks in advance for any ideas or feedback you can share,Christine O'Malley

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