Is there any short grass in this scene?
No, there is grass but it is tall.
    src        edge_attr  dst
0     1   to the left of    8
1     2           behind   11
2     3  to the right of   12
3     3   to the left of    5
4     3   to the left of   10
5     3   to the left of    6
6     4  to the right of    6
7     4  to the right of   11
8     4  to the right of   10
9     4  to the right of   13
10    5   to the left of   10
11    5   to the left of    6
12    5   to the left of   13
13    5  to the right of   12
14    5  to the right of    3
15    6   to the left of    4
16    6  to the right of    3
17    6   to the left of   10
18    6  to the right of    5
19    6   to the left of   13
20    6  to the right of   12
21    7   to the left of    9
22    8  to the right of    1
23    9  to the right of    7
24   10  to the right of    3
25   10   to the left of    4
26   10  to the right of    5
27   10  to the right of    6
28   10  to the right of   12
29   11   to the left of    4
30   11      in front of    2
31   12   to the left of    3
32   12   to the left of    6
33   12   to the left of    5
34   12   to the left of   10
35   13   to the left of    4
36   13  to the right of    6
37   13  to the right of    5