Employees and Projects

public static string GetEmployeesInPeriod(SoftUniContext context)
        {
            StringBuilder sb = new StringBuilder();

            var employeesProjects = context.Employees
                    .Where(e => e.EmployeesProjects
                        .Any(ep => ep.Project.StartDate.Year >= 2001 && ep.Project.StartDate.Year <= 2003))
                    .Take(10)
                    .Select(e => new
                    {
                        e.FirstName,
                        e.LastName,
                        ManagerFirstName = e.Manager.FirstName,
                        ManagerLastName = e.Manager.LastName,
                        Projects = e.EmployeesProjects
                            .Select(ep => ep.Project)
                    })
                    .ToList();

            foreach (var ep in employeesProjects)
            {
                sb.AppendLine($"{ep.FirstName} {ep.LastName} – Manager: {ep.ManagerFirstName} {ep.ManagerLastName}");

                foreach (var project in ep.Projects)
                {
                    if (project.EndDate == null)
                    {
                        sb.AppendLine($"--{project.Name} - {project.StartDate.ToString("M/d/yyyy h:mm:ss tt")} - not finished");
                    }
                    else
                    {
                        sb.AppendLine($"--{project.Name} - {project.StartDate.ToString("M/d/yyyy h:mm:ss tt")} - {((DateTime)(project.EndDate)).ToString("M/d/yyyy h:mm:ss tt")}");//project.EndDate.Value.ToString("M/d/yyyy h:mm:ss tt") also works locally, but not in Judge!
                    }
                }
            }

            return sb.ToString().TrimEnd();
        }