Which color does the square pillow have?
The pillow has white color.
    src        edge_attr  dst
0     0               on    3
1     0            below    2
2     0            under    2
3     1           behind    3
4     1   to the left of    4
5     2               on    0
6     2          holding    4
7     2            above    0
8     3      in front of    1
9     4               in    2
10    4  to the right of    1
11    4   to the left of    5
12    5  to the right of    6
13    5  to the right of    4
14    6   to the left of    5
15    6               on    2