Is there a boat?
No, there are no boats.
    src        edge_attr  dst
0     1  to the right of    8
1     1   to the left of    9
2     1   to the left of    3
3     1   to the left of    4
4     2       walking on    5
..  ...              ...  ...
57   18   to the left of   10
58   18  to the right of    7
59   18       walking on    5
60   18  to the right of    2
61   18               on    5

[62 rows x 3 columns]