Which kind of animal is small?
The animal is an elephant.
    src        edge_attr  dst
0     0   to the left of    6
1     2  to the right of    4
2     2  to the right of   12
3     2   to the left of    7
4     2   to the left of    6
5     2  to the right of   10
6     3  to the right of    4
7     3  to the right of   12
8     3  to the right of   10
9     4   to the left of    3
10    4   to the left of    2
11    4   to the left of   12
12    5   to the left of    8
13    6  to the right of    2
14    6  to the right of    0
15    7  to the right of    2
16    8  to the right of   11
17    8  to the right of    5
18   10   to the left of    3
19   10   to the left of   12
20   10  to the right of   13
21   10   to the left of    2
22   11   to the left of    8
23   12  to the right of   13
24   12  to the right of   10
25   12  to the right of    4
26   12   to the left of    3
27   12   to the left of    2
28   13   to the left of   10
29   13   to the left of   12