What color is the chair to the right of the lamp?
The chair is black.
    src        edge_attr  dst
0     0        on top of    8
1     1  to the right of   15
2     2   to the left of    4
3     2   to the left of   14
4     2   to the left of   12
5     3       sitting on    2
6     3   to the left of   11
7     3   to the left of    5
8     4  to the right of    5
9     4  to the right of    2
10    4   to the left of   13
11    4  to the right of   11
12    4               on   12
13    5   to the left of    4
14    5  to the right of   11
15    5  to the right of    3
16    5   to the left of   14
17    6        on top of    8
18    6   to the left of   12
19    8   to the left of   14
20    8   to the left of   12
21    9               on    8
22   10   to the left of   15
23   11  to the right of    3
24   11   to the left of    5
25   11   to the left of   14
26   11       sitting on    2
27   11   to the left of    4
28   12  to the right of    2
29   12  to the right of    6
30   12  to the right of    8
31   12   to the left of   14
32   13  to the right of    4
33   14  to the right of    2
34   14  to the right of   16
35   14  to the right of   12
36   14  to the right of   11
37   14  to the right of    8
38   14  to the right of    5
39   15  to the right of   10
40   15   to the left of    1
41   16   to the left of   14
42   16               on    8