Which side is the backpack on?
The backpack is on the left of the image.
    src        edge_attr  dst
0     0          wearing   11
1     0   to the left of   10
2     1   to the left of   17
3     2   to the left of   12
4     2   to the left of    7
5     2   to the left of    9
6     3   to the left of   12
7     3   to the left of    9
8     3   to the left of    7
9     3  to the right of   10
10    4   to the left of   12
11    4   to the left of    9
12    4   to the left of    5
13    4   to the left of    7
14    4  to the right of   10
15    4               on    2
16    5  to the right of    4
17    7   to the left of    9
18    7  to the right of   12
19    7  to the right of   10
20    7  to the right of    2
21    7  to the right of    4
22    7  to the right of    3
23    8  to the right of   14
24    9  to the right of    3
25    9  to the right of    2
26    9  to the right of    7
27    9  to the right of    4
28    9  to the right of   10
29    9  to the right of   12
30   10   to the left of    4
31   10   to the left of    3
32   10  to the right of    0
33   10   to the left of   12
34   10   to the left of   14
35   10   to the left of    7
36   10   to the left of    9
37   10               on   15
38   12  to the right of    3
39   12  standing beside    7
40   12   to the left of    7
41   12  to the right of    2
42   12  to the right of   10
43   12  to the right of    4
44   12   to the left of    9
45   14   to the left of    8
46   14  to the right of   10
47   17  to the right of    1