Drag and Drop - return only incorrect answers to their original location

Go to Design -> Drag & Drop options:'

Thanks, Walt. I tried this earlier, but it returns dragged objects back to their original position if they're not dropped in the correct target.  I want them to be able to drop objects to whatever target they want and then when they click submit, have the correct ones stay in place and the incorrect ones move back to their original spot or at least off the targets.

Here are my settings...

Here's a test file....I can't drag a box to the wrong spot.

Deselect the Delay item drop states

Give each object a motion path whose start and end points are the same.

Use these triggers:

Thanks so much, Walt. I'll work on this.....but it seems like what I'm asking would be a pretty common request, so disappointing it's this complicated!?

Thanks for your help!