What is the bear in front of?
The bear is in front of the leaves.
    src        edge_attr  dst
0     1  to the right of    9
1     2  to the right of    6
2     2   to the left of   10
3     4       covered in    0
4     6   to the left of    8
5     6   to the left of    2
6     6   to the left of   10
7     7   to the left of   11
8     8   to the left of   10
9     8  to the right of    6
10    9   to the left of   10
11    9      in front of   12
12    9   to the left of    1
13   10  to the right of    6
14   10  to the right of    2
15   10  to the right of   12
16   10  to the right of    9
17   10  to the right of    8
18   11  to the right of    7
19   12           behind    9
20   12   to the left of   10