Which color does the shower curtain have?
The shower curtain has blue color.
    src        edge_attr  dst
0     0               on    3
1     0  to the right of    4
2     0               of   13
3     1   to the left of    3
4     1   to the left of    4
5     1   to the left of    6
6     1   to the left of    5
7     1   to the left of    9
8     1   to the left of   10
9     2  to the right of    4
10    3  to the right of    4
11    3            below    7
12    3  to the right of    1
13    4   to the left of    2
14    4   to the left of    3
15    4   to the left of    7
16    4  to the right of    1
17    4   to the left of    9
18    4   to the left of   13
19    4   to the left of    0
20    5               on   10
21    5   to the left of   12
22    5  to the right of    1
23    6  to the right of    1
24    7            above    3
25    7  to the right of    9
26    7  to the right of    4
27    7               on    6
28    8               on   10
29    8   to the left of   12
30    9  to the right of    4
31    9   to the left of    7
32    9  to the right of    1
33   10  to the right of    1
34   10  to the right of   11
35   10   to the left of   12
36   11   to the left of   10
37   12  to the right of    8
38   12  to the right of   10
39   12  to the right of    5
40   13  to the right of    4