Which color does the donut that is beside the doughnut have?
The doughnut has blue color.
    src        edge_attr  dst
0     0            under    2
1     0            below    2
2     2               on    0
3     2           beside    5
4     2   to the left of    5
5     2            above    0
6     2   to the left of    4
7     3   to the left of    5
8     3   to the left of    4
9     3  to the right of    6
10    4  to the right of    2
11    4  to the right of    3
12    5  to the right of    3
13    5  to the right of    6
14    5  to the right of    2
15    6   to the left of    5
16    6   to the left of    3