Do these animals have different types?
No, all the animals are dogs.
    src        edge_attr  dst
0     0   to the left of    6
1     1  to the right of    2
2     1  to the right of    3
3     2       sitting in    6
4     2   to the left of    1
5     2  to the right of    7
6     3   to the left of    1
7     4           around    2
8     4           around    8
9     6  to the right of    0
10    6  to the right of    9
11    7               on    3
12    7   to the left of    2
13    9   to the left of    6