What is sitting on top of the shelf?
The pot is sitting on top of the shelf.
    src          edge_attr  dst
0     0            wearing   15
1     0            wearing   13
2     0    to the right of   10
3     0    to the right of   11
4     0    to the right of   16
5     0    to the right of   17
6     2     to the left of    6
7     2  sitting on top of    1
8     2          on top of    1
9     5    to the right of   13
10    5    to the right of    8
11    5    to the right of    7
12    6     to the left of   14
13    6    to the right of    2
14    6          on top of    1
15    7     to the left of    5
16    7     to the left of    8
17    8    to the right of    7
18    8     to the left of    5
19    9    to the right of   10
20   10     to the left of    0
21   10     to the left of    9
22   10     to the left of   15
23   11         sitting on   10
24   11               near   17
25   11     to the left of   15
26   11          on top of   10
27   11     to the left of   17
28   11     to the left of    0
29   13     to the left of    5
30   14    to the right of    6
31   15    to the right of   10
32   15    to the right of   16
33   15    to the right of   17
34   15    to the right of   11
35   16     to the left of   15
36   16     to the left of    0
37   17     to the left of    0
38   17            next to   11
39   17     to the left of   15
40   17    to the right of   11