What is in front of the elephant?
The picture is in front of the elephant.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    9
2     3   to the left of   12
3     3   to the left of   10
4     3   to the left of    5
5     3   to the left of    6
6     5  to the right of    3
7     6  to the right of    3
8     7      in front of    8
9     8   to the left of   12
10    8   to the left of   11
11    8           behind    7
12    8   to the left of    9
13    9  to the right of   11
14    9  to the right of    0
15    9  to the right of    8
16   10  to the right of    3
17   11  to the right of    0
18   11  to the right of    8
19   11   to the left of    9
20   12  to the right of    3
21   12  to the right of    8