Which color does the backpack have?
The backpack has orange color.
    src        edge_attr  dst
0     1               in   10
1     1               on   10
2     1   to the left of   12
3     3   to the left of   12
4     4   to the left of   12
5     4  to the right of    6
6     5   to the left of   12
7     6   to the left of    4
8     6   to the left of   12
9     7   to the left of   12
10    9   to the left of   12
11   10               on    8
12   11   to the left of   12
13   12  to the right of    9
14   12  to the right of   11
15   12  to the right of    3
16   12  to the right of    1
17   12  to the right of    5
18   12  to the right of    4
19   12  to the right of    7
20   12  to the right of    6