What is parked in the grass?
The bus is parked in the grass.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    5
2     2        parked in    4
3     2  to the right of    3
4     2               on    4
5     2  to the right of    8
6     2  to the right of    4
7     3   to the left of    2
8     4   to the left of    5
9     4   to the left of    2
10    5  to the right of    0
11    5  to the right of    4
12    5  to the right of    8
13    5               of    2
14    6               of    2
15    8   to the left of    5
16    8   to the left of    2
17    8   to the left of    0