Do you see either birds or bears?
Yes, there is a bear.
    src        edge_attr  dst
0     0   to the left of    6
1     1               of    2
2     1   to the left of    6
3     2           behind    5
4     2   to the left of    6
5     3   to the left of    6
6     4       growing on    5
7     5      in front of    2
8     6  to the right of    3
9     6  to the right of    2
10    6  to the right of    1
11    6  to the right of    0
12    9               of    2