To reset your reactions you will go to the "Feedback" section in your dashboard. 

Once you click that a drop down will appear and you will go ahead and click "Feedback"  

Once inside your list of feedback go to the specific feedback you would like to reset the reactions for. 

Once you found it go to the "Edit" column and click the pencil icon. 

Once inside scroll down until you see the reactions and click the "Reset" button. 

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