What color is the backpack on the right?
The backpack is purple.
    src        edge_attr  dst
0     0   to the left of    2
1     0  to the right of    1
2     1  to the right of    7
3     1  to the right of    3
4     1   to the left of    0
5     2  to the right of    0
6     2  to the right of    6
7     3               on    6
8     3   to the left of    1
9     6               on    4
10    6   to the left of    2
11    7   to the left of    1