Are there fences beside the bus?
Yes, there is a fence beside the bus.
    src        edge_attr  dst
0     0           beside    4
1     0           beside    6
2     0   to the left of   12
3     1  to the right of    5
4     1  to the right of    2
5     2   to the left of    1
6     2   to the left of    8
7     4   to the left of    6
8     4   to the left of   15
9     5   to the left of    8
10    5   to the left of    1
11    6   to the left of   14
12    6               on    8
13    6      in front of   16
14    6  to the right of    4
15    7   to the left of   14
16    7  to the right of   11
17    7  to the right of   10
18    7  to the right of   13
19    7  to the right of   12
20    8  to the right of    5
21    8  to the right of    2
22   10               by   13
23   10  to the right of   12
24   10   to the left of    7
25   10  to the right of   13
26   11   to the left of   14
27   11   to the left of    7
28   11  to the right of   13
29   11  to the right of   12
30   12   to the left of    7
31   12   to the left of   10
32   12  to the right of   17
33   12  to the right of    0
34   12   to the left of   11
35   13               on    6
36   13               of    6
37   13   to the left of    7
38   13   to the left of   10
39   13   to the left of   11
40   14  to the right of    7
41   14  to the right of    6
42   14  to the right of   11
43   15  to the right of    4
44   16           behind    6
45   17   to the left of   12