Are there both donuts and shelves in this scene?
Yes, there are both donuts and a shelf.
     src        edge_attr  dst
0      0               on   10
1      0   to the left of    9
2      0   to the left of    8
3      1  to the right of   21
4      1   to the left of   10
..   ...              ...  ...
118   28   to the left of   15
119   28  to the right of   20
120   28          contain   15
121   28  to the right of    7
122   28   to the left of   12

[123 rows x 3 columns]