Are there either any doors or chairs that are made of metal?
Yes, the door is made of metal.
     src        edge_attr  dst
0      0  to the right of    3
1      0  to the right of   15
2      0  to the right of   20
3      0  to the right of   19
4      0  to the right of   22
..   ...              ...  ...
98    25  to the right of   19
99    26   to the left of    3
100   27   to the left of    8
101   27   to the left of   21
102   27  to the right of   17

[103 rows x 3 columns]