What floats in the sky?
The clouds float in the sky.
     src        edge_attr  dst
0      0   to the left of    7
1      0   to the left of    8
2      0   to the left of    6
3      0   to the left of   42
4      0  to the right of   17
..   ...              ...  ...
257   53   to the left of   24
258   54   to the left of   34
259   55      floating in   31
260   55  to the right of   13
261   55   to the left of   41

[262 rows x 3 columns]