What is the appliance above the tray?
The appliance is a pizza oven.
     src        edge_attr  dst
0      0            below   19
1      0            below   16
2      0            below   17
3      0            below    4
4      0  to the right of   20
..   ...              ...  ...
120   21   to the left of   22
121   21   to the left of   15
122   22   to the left of   15
123   22  to the right of   21
124   22  to the right of    1

[125 rows x 3 columns]