What are the employee ids of the employees whose role name is "Human Resource" or "Manager"?
return employees ;return roles of #1 ;return names of #2 ;return #1 where #3 is  Human Resource ;return #1 where #3 is  Manager ;return #4 ,  #5 ;return employee ids of #6
['select', 'project', 'project', 'comparative', 'comparative', 'union', 'project']