Are there fences or elephants that are gray?
Yes, the elephant is gray.
    src        edge_attr  dst
0     0   to the left of    1
1     1             near    9
2     1  to the right of    0
3     1          next to    9
4     1       covered by    9
5     2   to the left of    6
6     2   to the left of    5
7     2   to the left of   10
8     2   to the left of    8
9     4               in    9
10    4         touching   10
11    4   to the left of    8
12    4   to the left of   10
13    4     playing with   10
14    4       looking at   10
15    4   to the left of    7
16    5         touching    8
17    5          next to    8
18    5  to the right of    2
19    5  to the right of    6
20    5   to the left of    7
21    5   to the left of    8
22    5             near    8
23    5   to the left of   10
24    6   to the left of   10
25    6  to the right of    2
26    6   to the left of    7
27    6   to the left of    5
28    6   to the left of    8
29    7  to the right of    8
30    7  to the right of    6
31    7  to the right of    5
32    7  to the right of    4
33    8  to the right of    4
34    8  to the right of    5
35    8  to the right of    2
36    8  to the right of    6
37    8             near    5
38    8               in    9
39    8   to the left of    7
40    9             near    1
41   10               in    9
42   10  to the right of    4
43   10  to the right of    6
44   10  to the right of    2
45   10  to the right of    5