Which kind of watercraft is brown?
The watercraft is a boat.
    src        edge_attr  dst
0     1  to the right of    8
1     2  to the right of   10
2     2  to the right of    4
3     4               in    3
4     4   to the left of    2
5     5  to the right of   12
6     7           behind    8
7     8   to the left of    1
8     8               by   11
9     8      in front of    7
10    9               in   10
11    9               on   10
12   10   to the left of    2
13   12   to the left of    5