What is the watercraft that is on the water near the tree?
The watercraft is a sailboat.
    src        edge_attr  dst
0     1   to the left of    7
1     1               in    3
2     1  to the right of    9
3     1               on    3
4     2  to the right of    8
5     3             near   13
6     3             near   15
7     3             near    7
8     4  to the right of   14
9     5  to the right of   12
10    5  to the right of    9
11    5   to the left of    7
12    7             near    3
13    7  to the right of    5
14    7  to the right of    1
15    7  to the right of   12
16    7  to the right of    9
17    8   to the left of    2
18    9  to the right of   15
19    9   to the left of    5
20    9   to the left of    1
21    9   to the left of   12
22    9   to the left of    7
23   11               on    1
24   11          wearing    4
25   11  to the right of   12
26   11  to the right of   14
27   12   to the left of    7
28   12   to the left of    5
29   12   to the left of   11
30   12  to the right of    9
31   12   to the left of   14
32   13          next to    3
33   14   to the left of    4
34   14  to the right of   12
35   14   to the left of   11
36   14               on    1
37   15             near    3
38   15   to the left of    9