What kind of animal is the wall behind of?
The wall is behind the goat.
    src        edge_attr  dst
0     0  to the right of    9
1     1   to the left of    3
2     1   to the left of   13
3     1   to the left of    5
4     2   to the left of    6
5     2           behind    9
6     3  to the right of    1
7     3   to the left of   10
8     3  to the right of    7
9     3   to the left of   13
10    4  to the right of    7
11    5  to the right of    1
12    5  to the right of    8
13    6  to the right of   11
14    6  to the right of   10
15    6  to the right of    2
16    6  to the right of   13
17    7   to the left of    4
18    7   to the left of    3
19    7   to the left of   10
20    7   to the left of    9
21    7   to the left of   13
22    8   to the left of    5
23    8   to the left of    9
24    8   to the left of   10
25    8   to the left of   13
26    9      in front of    2
27    9           beside    7
28    9            above   12
29    9   to the left of    0
30    9  to the right of    7
31    9  to the right of    8
32   10  to the right of    3
33   10  to the right of    7
34   10  to the right of    8
35   10   to the left of    6
36   10  to the right of   13
37   11   to the left of    6
38   13   to the left of   10
39   13  to the right of    8
40   13   to the left of    6
41   13  to the right of    7
42   13  to the right of    3
43   13  to the right of    1