The zebra is in front of what?
The zebra is in front of the hair.
    src        edge_attr  dst
0     1   to the left of   11
1     1               of    9
2     1  to the right of    5
3     2               of    9
4     2  to the right of    5
5     5               of    9
6     5   to the left of    1
7     5   to the left of   11
8     5   to the left of    2
9     5   to the left of    6
10    6           behind    9
11    6  to the right of    5
12    7               of    9
13    9               in    0
14    9      in front of    6
15   11               of    9
16   11  to the right of    1
17   11  to the right of    5