What is the color of the curtain to the right of the towel?
The curtain is brown.
    src        edge_attr  dst
0     0  to the right of    4
1     0   to the left of   13
2     0   to the left of    3
3     1  to the right of    4
4     2   to the left of   15
5     3  to the right of    8
6     3  to the right of    0
7     3  to the right of    4
8     3  to the right of    7
9     4   to the left of   12
10    4   to the left of    7
11    4   to the left of    8
12    4   to the left of   15
13    4   to the left of    3
14    4   to the left of    1
15    4   to the left of    0
16    6               on    1
17    7   to the left of    3
18    7  to the right of   10
19    7  to the right of    4
20    7   to the left of   12
21    8               in    5
22    8   to the left of    3
23    8   to the left of   13
24    8  to the right of    4
25    9  to the right of   12
26   10   to the left of    7
27   10   to the left of   12
28   11               on    9
29   11  to the right of   12
30   12  to the right of   10
31   12  to the right of    4
32   12   to the left of   11
33   12  to the right of    7
34   12   to the left of    9
35   12   to the left of   14
36   12   to the left of   13
37   13  to the right of    8
38   13  to the right of   12
39   13  to the right of    0
40   14  to the right of   12
41   15  to the right of    4
42   15  to the right of    2
43   16               on    4