Where are the street lights?
The street lights are on the street.
    src        edge_attr  dst
0     0               on    7
1     0  to the right of   11
2     0  to the right of    6
3     1   to the left of   13
4     1             near    7
5     1   to the left of   12
6     1   to the left of    4
7     2  to the right of   10
8     3   to the left of   11
9     4  to the right of   12
10    4   to the left of   11
11    4  to the right of    5
12    4  to the right of    1
13    5             near    7
14    5               on    7
15    5   to the left of   13
16    5   to the left of    4
17    6   to the left of    0
18    7             near   10
19    7             near    1
20    7             near    5
21    8               on    7
22   10             near    7
23   10   to the left of    2
24   11  to the right of   12
25   11               on    7
26   11   to the left of    0
27   11  to the right of    3
28   11  to the right of    4
29   12  to the right of    1
30   12               on    7
31   12   to the left of   11
32   12   to the left of    4
33   13  to the right of    5
34   13  to the right of    1