Is there a donut to the right of the tray made of metal?
No, there is a folding chair to the right of the tray.
     src        edge_attr  dst
0      0  to the right of   30
1      0  to the right of   13
2      0  to the right of   12
3      0  to the right of    7
4      0  to the right of    4
..   ...              ...  ...
226   32  to the right of   27
227   32  to the right of   23
228   32  to the right of    1
229   32  to the right of    5
230   32  to the right of   10

[231 rows x 3 columns]