Is the white shelf to the right of a person?
No, the shelf is to the left of a person.
     src       edge_attr  dst
0      0  to the left of   22
1      0  to the left of   21
2      0  to the left of   17
3      0  to the left of   19
4      0  to the left of   15
..   ...             ...  ...
149   31  to the left of   23
150   32  to the left of   29
151   32  to the left of   25
152   32  to the left of   22
153   32  to the left of   28

[154 rows x 3 columns]