Are there any antelopes behind the zebra below the tree?
No, there is an ostrich behind the zebra.
    src        edge_attr  dst
0     1  to the right of   11
1     1      in front of    5
2     1  to the right of    3
3     1  to the right of   10
4     1  to the right of    8
5     3  to the right of   10
6     3   to the left of    1
7     4  to the right of   10
8     4   to the left of    5
9     4          next to   10
10    4           inside    2
11    4             near   10
12    5           behind    1
13    5  to the right of   11
14    5  to the right of    4
15    5  to the right of    8
16    6             near    7
17    6        on top of    9
18    7             near    6
19    7          next to    6
20    7        on top of    9
21    8   to the left of    1
22    8      in front of   12
23    8   to the left of    5
24    8             near   12
25   10       staring at    4
26   10             near    4
27   10            under   11
28   10   to the left of    1
29   10   to the left of    4
30   10   to the left of    3
31   10             near   12
32   10      in front of   12
33   10            below   11
34   11   to the left of    5
35   11   to the left of    1
36   12          next to    8
37   12          next to   10
38   12           behind   10
39   12           behind    8
40   12             near   10