How old is he?
The boy is young.
    src        edge_attr  dst
0     1   to the left of    2
1     1   to the left of    4
2     1   to the left of   11
3     2  to the right of   11
4     2   to the left of    4
5     2  to the right of    1
6     4  to the right of    1
7     4  to the right of   11
8     4  to the right of    2
9     9         watching   17
10    9          wearing    6
11    9          wearing    7
12   11  to the right of    1
13   11   to the left of    2
14   11   to the left of    4
15   14               at    8
16   15        enclosing   17
17   17       walking on   18
18   17               in    8