Which kind of animal is in the pen?
The animal is a zebra.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   10
2     0  to the right of    1
3     0  to the right of    5
4     1   to the left of    0
5     2           behind    5
6     2   to the left of    0
7     2               on    3
8     2               in    1
9     3   to the left of    6
10    3               by    2
11    5   to the left of    0
12    5      in front of    2
13    6               of    6
14    6               on    3
15    6  to the right of    3
16    9             near   11
17   10   to the left of    0
18   10  to the right of   13
19   11             near    9
20   11   to the left of   13
21   12           around    5
22   13  to the right of   11
23   13   to the left of   10