Is there a woman to the left of the person that is wearing a backpack?
No, the woman is to the right of the person.
     src        edge_attr  dst
0      0   to the left of   17
1      0   to the left of   15
2      0   to the left of   27
3      0   to the left of   26
4      0   to the left of   21
..   ...              ...  ...
331   27   to the left of   11
332   27   to the left of    8
333   27  to the right of    2
334   27  to the right of    1
335   27  to the right of    0

[336 rows x 3 columns]