Is there an small elephant or dog in the photo?
Yes, there is a small elephant.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    1
2     0   to the left of    7
3     0   to the left of    5
4     1  to the right of    0
5     3  to the right of    0
6     4  to the right of    5
7     5   to the left of    6
8     5   to the left of    4
9     5  to the right of    0
10    6  to the right of    5
11    7  to the right of    0