What does the dog in the water wear?
The dog wears a life jacket.
    src        edge_attr  dst
0     0               in    1
1     0          holding    5
2     1   to the left of    7
3     1   to the left of    5
4     1   to the left of   12
5     1   to the left of    9
6     3   to the left of   13
7     4   to the left of   11
8     4   to the left of   10
9     5  to the right of    6
10    5  to the right of    1
11    5  to the right of   12
12    5   to the left of    8
13    6   to the left of   11
14    6   to the left of   10
15    6   to the left of    5
16    7  to the right of    1
17    7  to the right of   12
18    8  to the right of    5
19    8  to the right of   12
20    9  to the right of    1
21   10  to the right of    4
22   10  to the right of    6
23   11  to the right of    4
24   11  to the right of    6
25   12          wearing    4
26   12               in    1
27   12   to the left of    7
28   12   to the left of    5
29   12  to the right of    1
30   12   to the left of    8
31   13  to the right of    3