Is there a giraffe or a zebra in the scene?
Yes, there is a giraffe.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    2
2     2  to the right of    0
3     4   to the left of    8
4     4   to the left of   12
5     5   to the left of    8
6     8  to the right of    4
7     8  to the right of    5
8     9   to the left of   12
9    10  to the right of    0
10   12  to the right of    4
11   12  to the right of    9