What is on the animal that is not dry?
The sand is on the dog.
    src        edge_attr  dst
0     1  to the right of   13
1     1               on    3
2     2  to the right of   13
3     3  to the right of   13
4     5   to the left of    6
5     5   to the left of    8
6     5               of    3
7     6  to the right of    5
8     6  to the right of   13
9     6  to the right of   12
10    8   to the left of   10
11    8  to the right of    5
12   10  to the right of    8
13   12   to the left of    6
14   13   to the left of    1
15   13   to the left of    6
16   13   to the left of    3
17   13   to the left of    2