Are there both doors and chairs in this scene?
Yes, there are both a door and a chair.
     src       edge_attr  dst
0      0  to the left of    9
1      0  to the left of   14
2      0  to the left of   12
3      0  to the left of   17
4      0  to the left of   29
..   ...             ...  ...
251   35  to the left of    9
252   35  to the left of   10
253   35  to the left of   14
254   35  to the left of   12
255   35  to the left of   17

[256 rows x 3 columns]