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