Which kind of watercraft is it?
The watercraft is a ship.
   src        edge_attr  dst
0    0             near    4
1    1  to the right of    4
2    3               on    1
3    4   to the left of    1
4    4   to the left of    7
5    4             near    0
6    5               of    1
7    5  to the right of    7
8    7   to the left of    5
9    7  to the right of    4