What's the cat in?
The cat is in the refrigerator.
    src        edge_attr  dst
0     0   to the left of    8
1     1               in    9
2     2   to the left of    5
3     2  to the right of   12
4     3   to the left of    5
5     3  to the right of   12
6     3               on    2
7     4               on    1
8     4  to the right of   11
9     5  to the right of    2
10    5  to the right of    3
11    5  to the right of   12
12    6  to the right of   11
13    7   to the left of    8
14    8               on    1
15    8  to the right of    0
16    8  to the right of    7
17   10  to the right of   11
18   11               in    9
19   11   to the left of    4
20   11   to the left of   10
21   11   to the left of    6
22   12   to the left of    2
23   12   to the left of    5
24   12   to the left of    3