How is the watercraft that is made of wood called?
The watercraft is a ship.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    6
2     1   to the left of    4
3     1   to the left of    8
4     1   to the left of    6
5     3   to the left of    9
6     4  to the right of    7
7     4  to the right of    1
8     4   to the left of    6
9     6  to the right of    4
10    6  to the right of    1
11    6  to the right of    0
12    7   to the left of    8
13    7   to the left of    4
14    8  to the right of    7
15    8  to the right of    0
16    8  to the right of    1
17    9  to the right of    3