What animal is green?
The animal is a giraffe.
    src        edge_attr  dst
0     0               of    3
1     0  to the right of    1
2     1               of    3
3     1   to the left of   17
4     1   to the left of    0
..  ...              ...  ...
68   18   to the left of    5
69   18               of   14
70   19  to the right of    8
71   19   to the left of   11
72   19               of   14

[73 rows x 3 columns]