What is the animal that is still?
The animal is a cat.
    src        edge_attr  dst
0     1   to the left of    6
1     1   to the left of    8
2     2  to the right of    4
3     2               of   11
4     4   to the left of    2
5     4               of   11
6     6  to the right of    1
7     7               of   11
8     7   to the left of    9
9     8  to the right of    1
10    9  to the right of    7
11    9   to the left of   12
12    9  to the right of   11
13   11        on top of   10
14   11   to the left of   12
15   11       sitting on   10
16   11   to the left of    9
17   12  to the right of   11
18   12  to the right of    9