As a former supervisor, I would advise Edith to take control of the situation and determine what problems exist between her and Ana Maria. Establishing clear communication is critical to avoiding further disruptions. However, another option, if communication cannot be established, would be to involve a neutral supervisor, their job will be to assist in gathering further information to resolve the issues. A key factor is to create a calm and friendly environment. This environment can actually assist the neutral person in ascertaining further facts and actually allow Ana Maria to be able to communicate. However, both options have been attempted and no further resolution has been reached, the next option is to bring in higher management to assist in resolving issues between both