Do you see both a window and a door?
No, there is a window but no doors.
   src        edge_attr  dst
0    0   to the left of    3
1    2   to the left of    3
2    3               on    3
3    3  to the right of    0
4    3  to the right of    4
5    3  to the right of    2
6    4   to the left of    3