What do both the container of the donut and the paper have in common?
The color, both the container and the paper are white.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    2
2     1   to the left of    2
3     1               on    6
4     1               on    2
5     2   to the left of    0
6     2   to the left of    4
7     2  to the right of    1
8     3               of    6
9     3  to the right of    6
10    4  to the right of    2
11    4         covering    6
12    4  to the right of    5
13    5   to the left of    0
14    5   to the left of    4
15    5  to the right of    6
16    6   to the left of    3
17    6   to the left of    5
18    6       covered by    4