What animal is white?
The animal is a dog.
    src        edge_attr  dst
0     0   to the left of   18
1     0  to the right of   17
2     1  to the right of   17
3     1   to the left of   18
4     2   to the left of   19
..  ...              ...  ...
75   19  to the right of   10
76   19  to the right of    8
77   19  to the right of    7
78   19  to the right of   15
79   19  to the right of    2

[80 rows x 3 columns]