Where is the boat?
The boat is on the shore.
    src        edge_attr  dst
0     0               on    7
1     0   to the left of    3
2     0  to the right of    1
3     0  to the right of    5
4     1  to the right of    6
5     1  to the right of    5
6     1               on    7
7     1   to the left of    0
8     2   to the left of    9
9     2  to the right of    3
10    3   to the left of    9
11    3   to the left of    2
12    3  to the right of    0
13    3               on    7
14    5   to the left of    0
15    5               on    7
16    5   to the left of    1
17    5  to the right of    6
18    6   to the left of    1
19    6   to the left of    5
20    6               on    7
21    7               on   15
22    7           behind   12
23    8   on the back of    7
24    9  to the right of    3
25    9  to the right of    2
26    9   to the left of   10
27   10               on    7
28   10  to the right of    9
29   11   to the left of   14
30   12      in front of    7
31   14  to the right of   11