What color is the pillow to the right of the woman?
The pillow is green.
    src        edge_attr  dst
0     1   to the left of   15
1     2  to the right of    5
2     5   to the left of    2
3     6  to the right of   18
4     6  to the right of   13
5     7  to the right of   13
6     7  to the right of   18
7     9  to the right of   13
8     9  to the right of   18
9    12  to the right of   18
10   12  to the right of   13
11   13   to the left of    6
12   13   to the left of    9
13   13   to the left of    7
14   13   to the left of   12
15   15  to the right of    1
16   15  to the right of   21
17   15  to the right of   17
18   17   to the left of   15
19   18   to the left of    6
20   18   to the left of    7
21   18   to the left of   12
22   18   to the left of    9
23   20          wearing    0
24   20          wearing    8
25   20          wearing   13
26   20          wearing    6
27   20          wearing    7
28   20          wearing   18
29   20               on    3
30   21               on   11
31   21          wearing   19
32   21          wearing   17
33   21   to the left of   15
34   21          wearing    5
35   21          wearing    2