What kind of animal is green?
The animal is elephants.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of   17
2     0  to the right of    1
3     0  to the right of    7
4     0  to the right of    8
..  ...              ...  ...
83   20  to the right of    8
84   20  to the right of   12
85   20  to the right of   13
86   20  to the right of   17
87   20         touching    7

[88 rows x 3 columns]