Are there any people to the left of the black backpack?
Yes, there are people to the left of the backpack.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of   18
2      0  to the right of   16
3      1   to the left of   15
4      1  to the right of   11
..   ...              ...  ...
98    21   to the left of   12
99    21   to the left of    2
100   22   to the left of   15
101   22   to the left of    8
102   22  to the right of    1

[103 rows x 3 columns]