Does the parking lot look black?
Yes, the parking lot is black.
    src        edge_attr  dst
0     0   to the left of   15
1     1   to the left of    2
2     1   to the left of   18
3     1   to the left of   14
4     2  to the right of    1
5     2   to the left of   15
6     2   to the left of    3
7     2  to the right of   14
8     2   to the left of   10
9     3  to the right of    2
10    3   to the left of   10
11    3   to the left of   15
12    3  to the right of   14
13    4   to the left of   11
14    4   to the left of   15
15    7             near   16
16    8   to the left of   15
17    8   to the left of   13
18   10  to the right of    2
19   10   to the left of   15
20   10  to the right of    3
21   11   to the left of   15
22   11  to the right of    4
23   12   to the left of   16
24   13  to the right of    8
25   14   to the left of    2
26   14  to the right of    1
27   14   to the left of    3
28   15  to the right of    8
29   15  to the right of   10
30   15  to the right of   11
31   15  to the right of    0
32   15               on   15
33   15  to the right of    3
34   15  to the right of    2
35   15  to the right of   18
36   15  to the right of    4
37   16  to the right of   12
38   16             near    7
39   18  to the right of    1
40   18   to the left of   15