A system administrator has just entered their credentials to enter a secure server room. As the administrator is entering the door, someone is walking up to the door with their hands full of equipment and appears to be struggling to move items around while searching for their credentials. The system administrator quickly begins to assist by getting items out of the person's hands, and they walk into the room together. This person is not an employee, but someone attempting to gain unauthorized access to the server room. What type of social engineering has occurred