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