In front of what is the rock?
The rock is in front of the pole.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    3
2     0  to the right of    2
3     0  to the right of   11
4     1  to the right of    5
5     1  to the right of    4
6     1  to the right of    9
7     2  to the right of    7
8     2  to the right of   19
9     2   to the left of    0
10    2  to the right of    3
11    2  to the right of    9
12    2  to the right of    4
13    3   to the left of   10
14    3   to the left of    0
15    3   to the left of    2
16    4   to the left of    2
17    4   to the left of    1
18    4   to the left of    5
19    5  to the right of    7
20    5  to the right of    4
21    5  to the right of    9
22    5   to the left of    1
23    6  to the right of    8
24    6  to the right of   13
25    7   to the left of    2
26    7   to the left of    5
27    8   to the left of    6
28    9   to the left of    5
29    9               on    4
30    9   to the left of    2
31    9   to the left of   10
32    9   to the left of    1
33   10   to the left of    0
34   10  to the right of    9
35   10  to the right of    3
36   11   to the left of    0
37   13               by   18
38   13           behind   18
39   13             near   18
40   13      in front of   19
41   13   to the left of    6
42   17  to the right of   19
43   18             near   13
44   19   to the left of   17
45   19           behind   13
46   19   to the left of    2