How is this animal called?
This is a dog.
    src        edge_attr  dst
0     0               on   17
1     0   to the left of    2
2     0   to the left of   11
3     0   to the left of   16
4     1   to the left of   11
..  ...              ...  ...
73   20  to the right of    4
74   20  to the right of   19
75   21               of   16
76   21   to the left of    9
77   21  to the right of   11

[78 rows x 3 columns]