Are there any white bears or cows?
Yes, there is a white bear.
    src        edge_attr  dst
0     0   to the left of    9
1     1  to the right of    7
2     2  to the right of    3
3     2  to the right of   10
4     2   to the left of    5
5     3   to the left of    7
6     3          wearing   10
7     3   to the left of    4
8     3   to the left of    6
9     3   to the left of    2
10    4  to the right of    3
11    4  to the right of   10
12    5          worn on    6
13    5  to the right of    2
14    6  to the right of    8
15    6  to the right of    9
16    6  to the right of   10
17    6  to the right of    3
18    7  to the right of    3
19    7   to the left of    1
20    7        on top of    6
21    7  to the right of    9
22    8   to the left of    9
23    8   to the left of    6
24    9  to the right of    8
25    9   on the side of    8
26    9   to the left of    6
27    9  to the right of    0
28    9   to the left of    7
29   10   to the left of    4
30   10   to the left of    2
31   10   to the left of    6