What kind of animal is black?
The animal is cats.
    src        edge_attr  dst
0     1  to the right of   14
1     1  to the right of    7
2     1  to the right of    5
3     2  to the right of   14
4     2  to the right of   10
5     2  to the right of    8
6     2  to the right of    5
7     3  to the right of   14
8     3  to the right of   10
9     3  to the right of    5
10    3  to the right of    7
11    3  to the right of    6
12    4  to the right of   12
13    5  to the right of   11
14    5   to the left of    8
15    5   to the left of    1
16    5   to the left of    3
17    5   to the left of    2
18    6   to the left of    3
19    6  to the right of   12
20    7   to the left of    3
21    7               on    6
22    7  to the right of   12
23    7   to the left of    1
24    8  to the right of   14
25    8  to the right of    5
26    8   to the left of    2
27    8  to the right of   10
28    9  to the right of   16
29   10   to the left of    8
30   10   to the left of    2
31   10   to the left of    3
32   11               of   15
33   11   to the left of   14
34   11   to the left of    5
35   11   to the left of   12
36   12   to the left of    7
37   12  to the right of   11
38   12   to the left of    4
39   12   to the left of    6
40   14            below   15
41   14            under   15
42   14   to the left of    3
43   14   to the left of    2
44   14  to the right of   11
45   14   to the left of    8
46   14   to the left of    1
47   16   to the left of    9