Drag and drop feedback layers

I have created a drag and drop exercise.  The attempts is set to two.  If the user answers incorrectly the first time the try again layer shows correctly and when they press try again it resets the slide.  So far all good, but if they then get it wrong a second time the try again layer shows instead of the incorrect layer and the user has to continue until they get it right, which isn't what I wanted.    I really don't know what I am doing wrong, any suggestions would be gratefully received! 

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