Is the grass green or brown?
The grass is brown.
     src       edge_attr  dst
0      0  to the left of   18
1      0  to the left of    7
2      0  to the left of    2
3      0  to the left of   11
4      0  to the left of    9
..   ...             ...  ...
131   29  to the left of   28
132   29  to the left of   17
133   29  to the left of   23
134   29  to the left of    5
135   29  to the left of   13

[136 rows x 3 columns]