What is the bus in front of?
The bus is in front of the fence.
    src        edge_attr  dst
0     0   to the left of    6
1     1   to the left of    5
2     1   to the left of    6
3     1   to the left of    3
4     1   to the left of   12
5     2           behind   10
6     2  to the right of    6
7     2               in   13
8     3  to the right of    4
9     3  to the right of    1
10    3  to the right of    5
11    3  to the right of   12
12    3  to the right of    8
13    4   to the left of    6
14    4   to the left of    3
15    4   to the left of    5
16    4   to the left of   12
17    5               on    0
18    5             near    6
19    5   to the left of   11
20    5  to the right of    8
21    5  to the right of    4
22    5  to the right of    1
23    5   to the left of    6
24    5   to the left of    3
25    6      in front of   10
26    6  to the right of    4
27    6  to the right of    5
28    6  to the right of    1
29    6   to the left of   10
30    6             near    5
31    6   to the left of    7
32    6  to the right of    8
33    6   to the left of   13
34    6  to the right of    0
35    6   to the left of    2
36    6  to the right of   12
37    7               in   13
38    7  to the right of    6
39    8   to the left of   12
40    8   to the left of    6
41    8   to the left of    3
42    8   to the left of    5
43   10      in front of    2
44   10           behind    6
45   10  to the right of    6
46   11  to the right of    5
47   12   to the left of    6
48   12  to the right of    8
49   12  to the right of    1
50   12  to the right of    4
51   12   to the left of    3
52   13  to the right of    6