Do these animals have different types?
Yes, they are horses and monkeys.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   11
2     3   to the left of   10
3     3   to the left of    7
4     4   to the left of   10
5     4   to the left of   11
6     5   to the left of    8
7     7  to the right of    3
8     8  to the right of    5
9    10   to the left of    0
10   10   to the left of   12
11   10               on   11
12   10  to the right of    4
13   10  to the right of    3
14   11   to the left of   12
15   11  to the right of    4
16   11   to the left of    0
17   12          holding    0
18   12  to the right of   10
19   12  to the right of   11