What is on the shelf to the left of the person?
The pots are on the shelf.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of   22
2     0  to the right of    4
3     0   to the left of    2
4     0   to the left of    9
..  ...              ...  ...
69   21  to the right of   15
70   21               in   18
71   22  to the right of    1
72   22  to the right of    4
73   22  to the right of    0

[74 rows x 3 columns]