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