What is the cake covered in?
The cake is covered in coconut.
    src        edge_attr  dst
0     0       covered in   13
1     0   to the left of    2
2     0   to the left of    1
3     0   to the left of    4
4     0   to the left of    3
5     0               on    8
6     1  to the right of    0
7     2  to the right of    0
8     3  to the right of    0
9     3  to the right of   13
10    4  to the right of    6
11    4  to the right of    0
12    5  to the right of    6
13    6   to the left of    5
14    6   to the left of    4
15    8  to the right of   16
16    8  to the right of   11
17   11   to the left of   14
18   11   to the left of   16
19   11   to the left of    8
20   13   to the left of    3
21   14               of    0
22   14  to the right of   11
23   14  to the right of   16
24   16   to the left of   14
25   16               on   12
26   16   to the left of    8
27   16  to the right of   11