Is the water in front of the buildings blue or black?
The water is blue.
    src        edge_attr  dst
0     0               in    1
1     1      in front of    7
2     4  to the right of   18
3     5  to the right of    8
4     5  to the right of   16
5     6  to the right of    7
6     7   to the left of    6
7     7   to the left of   19
8     7  to the right of   12
9     7  to the right of   13
10    7           behind    1
11    8  to the right of   14
12    8   to the left of    5
13    8               in    1
14    8   to the left of   16
15    9   to the left of   10
16   10  to the right of    9
17   12   to the left of    7
18   13   to the left of    7
19   14   to the left of    8
20   16               in    1
21   16   to the left of    5
22   16  to the right of    8
23   17               in    1
24   18               in    1
25   18   to the left of    4
26   19  to the right of    7
27   21               in    1