What color is the grass?
The grass is green.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    2
2     0   to the left of   11
3     0  to the right of    9
4     2  to the right of    4
..  ...              ...  ...
72   16   to the left of   12
73   16   to the left of   13
74   16   to the left of   14
75   18  to the right of    9
76   18   to the left of    2

[77 rows x 3 columns]