Are there boats in the water that looks brown?
Yes, there is a boat in the water.
    src        edge_attr  dst
0     1   to the left of   16
1     1   to the left of    2
2     1   to the left of    5
3     2  to the right of    1
4     2   to the left of    7
..  ...              ...  ...
63   19   to the left of   12
64   19   to the left of   17
65   19  to the right of    9
66   19  to the right of    3
67   20   to the left of   18

[68 rows x 3 columns]