On which side of the photo is the backpack?
The backpack is on the left of the image.
     src        edge_attr  dst
0      0   to the left of    4
1      1  to the right of   11
2      2  to the right of   11
3      3   to the left of   12
4      3   to the left of    9
..   ...              ...  ...
149   24   to the left of    7
150   24   to the left of    9
151   24   to the left of   10
152   24   to the left of   12
153   24   to the left of   22

[154 rows x 3 columns]