What is the watercraft on the water the building is beside of?
The watercraft is boats.
    src        edge_attr  dst
0     2  to the right of    7
1     2   to the left of   17
2     2   on the side of   19
3     4   to the left of   15
4     4   to the left of    5
5     4     reflected in    9
6     5  to the right of    4
7     7   to the left of    2
8     7   to the left of   19
9     7   to the left of   11
10    7   to the left of    8
11    7   to the left of   17
12    8   to the left of   17
13    8  to the right of    7
14    9          full of   16
15   11  to the right of    7
16   11        on top of   19
17   11   to the left of   17
18   12           beside    9
19   15  to the right of    4
20   15   to the left of   18
21   15        on top of   16
22   16               on    9
23   16     reflected in    9
24   17  to the right of    8
25   17  to the right of    7
26   17  to the right of    2
27   17  to the right of   11
28   18        on top of   16
29   18  to the right of   15
30   19  to the right of    7