What is in front of the plants?
The umbrella is in front of the plants.
    src        edge_attr  dst
0     0               on    6
1     0   to the left of    3
2     3  to the right of    5
3     3   to the left of    4
4     3  to the right of    6
5     3  to the right of    0
6     4  to the right of    3
7     4  to the right of    6
8     4  to the right of    5
9     5   to the left of    4
10    5   to the left of    3
11    5             near    7
12    6             near    7
13    6   to the left of    4
14    6   to the left of    3
15    7             near    5
16    7             near    6
17    7           behind    8
18    8      in front of    7