What are the strawberries covered by?
The strawberries are covered by the chocolate.
    src        edge_attr  dst
0     0               of    0
1     0  to the right of   13
2     0  to the right of    8
3     1  to the right of   14
4     1   to the left of    8
5     2  to the right of    3
6     2               of    2
7     2  to the right of    7
8     2  to the right of    8
9     3   to the left of    8
10    3   to the left of    2
11    4  to the right of    5
12    4  to the right of    6
13    4               of    4
14    5   to the left of    4
15    6               on    5
16    6   to the left of    4
17    7   to the left of    2
18    7   to the left of    8
19    8  to the right of   13
20    8  to the right of   11
21    8  to the right of    1
22    8   to the left of    0
23    8  to the right of    7
24    8  to the right of    3
25    8   to the left of    2
26    9     covered with   12
27    9       covered by   12
28   11               on    9
29   11   to the left of    8
30   12   to the left of   13
31   12         covering    9
32   13   to the left of    0
33   13               on   12
34   13   to the left of    8
35   13  to the right of   12
36   14   to the left of    1