1<doc> 2<department> 3<name>dept1</name> 4<group> 5<name>group1</name> 6<employee><name>employee1</name></employee> 7<employee><name>employee3</name></employee> 8</group> 9</department> 10<department> 11<name>dept2</name> 12<group> 13<name>group2</name> 14<employee><name>employee2</name></employee> 15</group> 16</department> 17</doc> 18