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