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