Of what shape is the tray on the left?
The tray is round.
    src        edge_attr  dst
0     0   to the left of   25
1     1   to the left of   28
2     1   to the left of   27
3     1  to the right of   29
4     2   to the left of    3
5     3  to the right of    2
6     3               on   26
7     4   to the left of   26
8    10  to the right of   11
9    11    hanging above    6
10   11        hang from   30
11   11   to the left of   10
12   12             near   18
13   12  to the right of   18
14   12   to the left of   20
15   13   to the left of   22
16   14               on   13
17   15             near   29
18   15          next to   29
19   16             near   17
20   16          next to   17
21   16  to the right of   20
22   16   to the left of   17
23   17             near   19
24   17             near   16
25   17           behind   19
26   17  to the right of   16
27   18   to the left of   12
28   18   to the left of   20
29   18          next to   12
30   19             near   17
31   19  to the right of   25
32   19      in front of   17
33   20  to the right of   18
34   20       in between   12
35   20  to the right of   12
36   20   to the left of   16
37   22  to the right of   24
38   22  to the right of   13
39   24   to the left of   22
40   25   to the left of   19
41   25             with   20
42   25  to the right of    0
43   26  to the right of    4
44   27  to the right of    1
45   27   to the left of   28
46   27               on   26
47   28  to the right of   27
48   28  to the right of    1
49   29          next to   15
50   29   to the left of    1
51   29             near   15