What color is the rug that is next to the wall?
The rug is pink.
    src        edge_attr  dst
0     0          next to    1
1     0          next to    7
2     0             near    1
3     0             near    7
4     0   to the left of   15
5     0   to the left of    6
6     0   to the left of    4
7     1  to the right of    7
8     1             near    0
9     2  to the right of   10
10    2  to the right of   14
11    2  to the right of   12
12    4  to the right of   13
13    4  to the right of    0
14    4               on   13
15    6  to the right of    0
16    6  to the right of   13
17    7             near    0
18    7   to the left of   11
19    7   to the left of   12
20    7   to the left of   14
21    7   to the left of    1
22    7   to the left of   10
23    8       mounted on    7
24    8               on    7
25    9             near   10
26    9   to the left of   10
27    9   to the left of   11
28   10  to the right of    9
29   10   to the left of   12
30   10          next to    9
31   10   to the left of   14
32   10   to the left of    2
33   10  to the right of    7
34   10             with   11
35   11   to the left of   12
36   11  to the right of    9
37   11  to the right of    7
38   11               on   10
39   12   to the left of   14
40   12  to the right of   11
41   12  to the right of   10
42   12  to the right of    7
43   12   to the left of    2
44   12               on   13
45   13   to the left of    4
46   13   to the left of    6
47   13   to the left of   15
48   14  to the right of   12
49   14  to the right of    7
50   14  to the right of   10
51   14   to the left of    2
52   15  to the right of    0
53   15  to the right of   13