What is the gate in front of?
The gate is in front of the shrub.
    src        edge_attr  dst
0     0  to the right of    4
1     1   to the left of   15
2     1      in front of    2
3     2           behind    1
4     3           behind    5
5     4   to the left of    9
6     4   to the left of    6
7     4   to the left of   15
8     4   to the left of    0
9     5           behind   16
10    5      in front of    3
11    6  to the right of    7
12    6  to the right of    4
13    7   to the left of    6
14    9  to the right of    4
15    9  to the right of   12
16    9   to the left of   10
17   10   hanging out of    9
18   10  to the right of   12
19   10  to the right of    9
20   12   to the left of   10
21   12   to the left of    9
22   12   to the left of   15
23   15  to the right of    1
24   15  to the right of    4
25   15               on   16
26   15  to the right of   12
27   15       growing on   16
28   16      in front of    5