Of what color are the chairs?
The chairs are white.
    src        edge_attr  dst
0     2   to the left of    4
1     2   to the left of   16
2     3               of   12
3     3  to the right of   10
4     4   to the left of   16
5     4  to the right of    2
6     5   to the left of   10
7     5  to the right of    9
8     5   to the left of   11
9     5   to the left of   15
10    6   to the left of    8
11    7   to the left of   16
12    8  to the right of    6
13    9   to the left of    5
14    9   to the left of   14
15    9  to the right of   13
16   10   to the left of    3
17   10   to the left of   15
18   10               of   12
19   10  to the right of   14
20   10  to the right of    5
21   11  to the right of   14
22   11   to the left of   15
23   11               of   12
24   11  to the right of    5
25   13   to the left of    9
26   13   to the left of   16
27   13               by   12
28   14   to the left of   11
29   14   to the left of   15
30   14  to the right of    9
31   14   to the left of   10
32   14               by   12
33   15  to the right of    5
34   15  to the right of   14
35   15  to the right of   11
36   15               of   12
37   15  to the right of   10
38   16  to the right of   13
39   16  to the right of    7
40   16  to the right of    4
41   16  to the right of    2