What animal is the small bird perched on?
The bird is perched on the sheep.
    src        edge_attr  dst
0     0  to the right of   14
1     1  to the right of    2
2     1  to the right of    7
3     1  to the right of   11
4     1  to the right of   10
5     1   to the left of    5
6     1  to the right of    9
7     1  to the right of   12
8     1  to the right of    4
9     1  to the right of    6
10    2   to the left of    1
11    2   to the left of   10
12    2   to the left of   14
13    2   to the left of   12
14    4   to the left of    1
15    4   to the left of   12
16    4   to the left of    5
17    5  to the right of    1
18    5  to the right of    4
19    6   to the left of    1
20    7   to the left of    1
21    8               on   15
22    8               of   15
23    8       perched on   15
24    8      standing on   15
25    8  to the right of   14
26    9   to the left of   10
27    9   to the left of    1
28    9   to the left of   12
29   10  to the right of    9
30   10  to the right of    2
31   10   to the left of    1
32   10   to the left of   12
33   11   to the left of   12
34   11   to the left of    1
35   11   to the left of   14
36   12  to the right of    2
37   12  to the right of    9
38   12   to the left of    1
39   12  to the right of    4
40   12  to the right of   10
41   12  to the right of   11
42   14  to the right of   11
43   14               on   15
44   14   to the left of    0
45   14  to the right of    2
46   14   to the left of    8
47   15         lying on    3