Do you see people to the left of the backpack that is on the right?
Yes, there is a person to the left of the backpack.
     src        edge_attr  dst
0      0   to the left of    8
1      0   to the left of    1
2      0   to the left of   22
3      0   to the left of   16
4      1   to the left of   12
..   ...              ...  ...
151   26   to the left of   14
152   26  to the right of   16
153   26  to the right of    8
154   26   to the left of   12
155   26  to the right of    9

[156 rows x 3 columns]