What is under the sink made of porcelain?
The drawer is under the sink.
    src        edge_attr  dst
0     1   to the left of    3
1     2  to the right of   10
2     2   to the left of    9
3     3  to the right of    1
4     3  to the right of   14
5     3   to the left of   13
6     3  to the right of   10
7     3            above    4
8     4  to the right of   10
9     4            above   16
10    4            below    3
11    5   to the left of   12
12    5  to the right of   10
13    5   to the left of   13
14    6  to the right of   10
15    6   to the left of   13
16    6   to the left of   12
17    6     reflected in    3
18    6          holding   15
19    6      standing in    3
20    7        on top of    8
21    7   to the left of   13
22    8  to the right of   10
23    8   to the left of   13
24    8   to the left of    9
25    9  to the right of    2
26    9  to the right of    8
27   10   to the left of    8
28   10   to the left of    6
29   10   to the left of   15
30   10   to the left of   16
31   10   to the left of   12
32   10   to the left of    5
33   10   to the left of    2
34   10   to the left of    4
35   10   to the left of    3
36   11        on top of    8
37   11   to the left of   13
38   12     reflected in    3
39   12   to the left of   13
40   12  to the right of   10
41   12  to the right of    6
42   12  to the right of   15
43   12  to the right of    5
44   13  to the right of    5
45   13  to the right of    7
46   13  to the right of    3
47   13  to the right of    8
48   13  to the right of   11
49   13  to the right of   12
50   13  to the right of    6
51   14   to the left of    3
52   14   to the left of   15
53   15  to the right of   10
54   15  to the right of   14
55   15   to the left of   12
56   16            under    4
57   16  to the right of   10