What's the cat on?
The cat is on the couch.
    src        edge_attr  dst
0     0   to the left of   21
1     0   to the left of   18
2     0   to the left of   13
3     0   to the left of   14
4     0   to the left of   11
..  ...              ...  ...
75   21  to the right of    0
76   21  to the right of    8
77   22  to the right of    0
78   23   to the left of   16
79   23  to the right of    7

[80 rows x 3 columns]