What animal is in front of the brick wall?
The elephant is in front of the wall.
    src        edge_attr  dst
0     0  to the right of    6
1     1     hanging from    3
2     2               on    6
3     3          next to    9
4     3             near    9
5     3           behind   13
6     3   to the left of    8
7     4  to the right of    6
8     6   to the left of    4
9     6   to the left of    0
10    7   to the left of   13
11    7   to the left of   11
12    8  to the right of   10
13    8  to the right of    3
14    8  to the right of   13
15    8  to the right of   11
16    9           behind   13
17    9             near    3
18   10               on    9
19   10   to the left of    8
20   11  to the right of    7
21   11   to the left of    8
22   13      standing on   12
23   13  to the right of    7
24   13      in front of    3
25   13   to the left of    8
26   13      in front of    9