Is there a cow or a fence that is red?
Yes, the cow is red.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of    5
2     0  to the right of   16
3     1   to the left of    4
4     1  to the right of   17
5     2               in   14
6     3  to the right of   17
7     3  to the right of   16
8     3   to the left of    9
9     4  to the right of   10
10    4  to the right of    7
11    4  to the right of    1
12    4  to the right of   12
13    4  to the right of   15
14    4  to the right of   13
15    5  to the right of   16
16    5   to the left of    0
17    7   to the left of   15
18    7   to the left of    4
19    7  to the right of   17
20    9  to the right of    0
21    9  to the right of    3
22   10  to the right of   17
23   10   to the left of   12
24   10   to the left of    4
25   12  to the right of   10
26   12   to the left of    4
27   12  to the right of   17
28   13   to the left of    4
29   15  to the right of    7
30   15   to the left of    4
31   15  to the right of   17
32   16   to the left of    5
33   16   to the left of    3
34   16   to the left of    0
35   17   to the left of   15
36   17   to the left of    1
37   17   to the left of   12
38   17   to the left of    3
39   17   to the left of   10
40   17   to the left of    7