When asked have I ever experienced a problem with a team member and how the situation was resolved, my answer was yes. There was a time I was training a team member who simply had a problem understanding the basic concepts I was trained to teach them. How we resolved this problem was I informed my team member that yes, this is just a training exercise. You are allowed to make mistakes, just remember that you need to know how to do this mistake free when it's time to help customers.