What is the color of the marshmallow?
The marshmallow is white.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    7
2     1   to the left of    3
3     2   to the left of    3
4     3  to the right of    5
5     3  to the right of    2
6     3  to the right of    1
7     4  to the right of   10
8     4  to the right of    7
9     5   to the left of    3
10    6   to the left of   11
11    7   to the left of    0
12    7   to the left of    4
13   10   to the left of    4
14   11  to the right of    6
15   11   to the left of    0