Which side is the backpack on?
The backpack is on the left of the image.
    src        edge_attr  dst
0     2      standing on    7
1     2   to the left of    8
2     2   to the left of    7
3     2   to the left of    5
4     4   to the left of    6
5     5  to the right of   10
6     5   to the left of    7
7     5  to the right of    2
8     6  to the right of    4
9     7  to the right of    2
10    7  to the right of    5
11    7  to the right of   10
12    8  to the right of    2
13   10   to the left of    7
14   10   to the left of    5