What is the flower on?
The flower is on the mat.
    src        edge_attr  dst
0     0               on    7
1     1               on    0
2     1               on    7
3     2   to the left of    7
4     2               on    1
5     2         lying in    1
6     2             near    3
7     2   to the left of    4
8     3  to the right of    8
9     3             near    2
10    3   to the left of    5
11    4  to the right of    2
12    4               on    0
13    4  to the right of   12
14    5  to the right of    3
15    6               of    2
16    7  to the right of    2
17    8   to the left of    3
18    9               of    2
19   10               of    2
20   12               of    2
21   12   to the left of    4