Is the water around the boat green or dark?
The water is dark.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    6
2     0   to the left of   14
3     0   to the left of   12
4     0   to the left of    8
..  ...              ...  ...
84   21   to the left of   13
85   21  to the right of    3
86   21   to the left of    5
87   21   to the left of    4
88   21               on    9

[89 rows x 3 columns]