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