Do you see either any chairs or windows that are metallic?
Yes, the window is metallic.
   src        edge_attr  dst
0    0  to the right of    9
1    0   to the left of    4
2    3   to the left of    6
3    3   to the left of    4
4    4  to the right of    0
5    4  to the right of    3
6    6  to the right of    3
7    9   to the left of    0