Where is the tree?
The tree is on the shore.
    src        edge_attr  dst
0     0  to the right of   16
1     0             near   14
2     0             near    8
3     1               in    3
4     1      standing in    3
5     1  to the right of    3
6     1  to the right of    5
7     2   to the left of    7
8     2  to the right of    3
9     3             near    6
10    3   to the left of    5
11    3   to the left of    7
12    3   to the left of    2
13    3   to the left of    1
14    3   to the left of    4
15    4  to the right of    3
16    5   to the left of    1
17    5  to the right of    3
18    6               on   11
19    6             near    3
20    7  to the right of    3
21    7  to the right of    2
22    8             near    0
23    8   to the left of    9
24    9   to the left of   12
25    9  to the right of    8
26   10  to the right of   12
27   11   to the left of   12
28   11             near   13
29   12   to the left of   10
30   12  to the right of    9
31   12  to the right of   11
32   13             near   11
33   14             near    0
34   14  to the right of   15
35   15             near   16
36   15   to the left of   14
37   15          next to   16
38   16             near   15
39   16   to the left of    0