Is there a backpack to the left of the man that is to the left of the pens?
No, there is a person to the left of the man.
     src        edge_attr  dst
0      0  to the right of   13
1      0  to the right of   11
2      0  to the right of   18
3      1  to the right of   18
4      1  to the right of   13
..   ...              ...  ...
151   25   to the left of   11
152   25   to the left of   19
153   26  to the right of    4
154   26  to the right of   16
155   26   to the left of   24

[156 rows x 3 columns]