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