What is the color of the sink that the drain is on?
The sink is white.
    src        edge_attr  dst
0     1               in    5
1     1   to the left of    7
2     1               on    5
3     2  to the right of    6
4     2  to the right of    5
5     3   to the left of    8
6     5   to the left of    2
7     5   to the left of    7
8     5            above    6
9     6   to the left of    7
10    6            under    5
11    6   to the left of    2
12    7  to the right of    1
13    7  to the right of    6
14    7  to the right of    5
15    8  to the right of    3