Who eats the toast?
The girl eats the toast.
     src        edge_attr  dst
0      0   to the left of   13
1      0   to the left of    6
2      0   to the left of   21
3      1   to the left of   20
4      1   to the left of   13
..   ...              ...  ...
118   22  to the right of    9
119   22  to the right of   13
120   22               on   23
121   22  to the right of   17
122   22  to the right of   15

[123 rows x 3 columns]