Are there any boats in the water?
No, there is a man in the water.
    src        edge_attr  dst
0     0  to the right of   20
1     1   to the left of   11
2     1   to the left of   22
3     1   to the left of    2
4     1  to the right of   26
..  ...              ...  ...
76   26   to the left of   10
77   26   to the left of   11
78   26   to the left of    2
79   26   to the left of    1
80   27  to the right of   15

[81 rows x 3 columns]