What animal is under the brown tree?
The zebras are under the tree.
    src        edge_attr  dst
0     1  to the right of    3
1     1  to the right of    4
2     2   to the left of    8
3     2   to the left of    4
4     2   to the left of   11
5     3   to the left of    1
6     3   to the left of    7
7     4      in front of    7
8     4            below    7
9     4      in front of   11
10    4   to the left of    1
11    4  to the right of    2
12    4   to the left of    7
13    4            under    7
14    4   to the left of    6
15    5  to the right of    7
16    6  to the right of    4
17    6           around    7
18    7           behind    4
19    7  to the right of    3
20    7   to the left of    5
21    7            above    4
22    7  to the right of   10
23    7  to the right of    4
24    8  to the right of    2
25    9               of    4
26   10           behind   11
27   10   to the left of    7
28   11           behind    4
29   11  to the right of    2
30   11      in front of   10