What's the grass in front of?
The grass is in front of the bench.
    src        edge_attr  dst
0     0   to the left of    3
1     0      in front of    3
2     1               on    5
3     1               by    3
4     1   to the left of    2
5     2   to the left of    7
6     2  to the right of    1
7     2  to the right of    6
8     3  to the right of    0
9     3      in front of    7
10    3  to the right of    5
11    5   to the left of    3
12    6   to the left of    2
13    7           behind    3
14    7  to the right of    2