What is the animal that is black?
The animal is a goat.
    src        edge_attr  dst
0     1  to the right of   13
1     1  to the right of    7
2     1  to the right of   12
3     1  to the right of    9
4     2   to the left of   11
5     2   to the left of    4
6     2   to the left of    3
7     2   to the left of    8
8     3  to the right of    2
9     4  to the right of    2
10    6   to the left of    8
11    7               on    9
12    7   to the left of    1
13    7   to the left of   12
14    8  to the right of   13
15    8  to the right of    6
16    8  to the right of    2
17    9   to the left of    1
18    9   to the left of   12
19   11  to the right of    2
20   12   to the left of    1
21   12  to the right of    7
22   12  to the right of    9
23   13         lying on   10
24   13   to the left of    1
25   13   to the left of    8