Is it an indoors scene?
Yes, it is indoors.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    4
2     0   to the left of    7
3     2   to the left of   14
4     2               in    0
5     2   to the left of   17
6     3               in    0
7     4               in    0
8     4   to the left of    0
9     5               in    0
10    6               in    0
11    6  to the right of   17
12    6  to the right of    0
13    7  to the right of   17
14    7  to the right of    0
15    8  to the right of    9
16    9   to the left of    8
17    9   to the left of   13
18   13  to the right of    9
19   14  to the right of    2
20   17   to the left of    7
21   17   to the left of    6
22   17  to the right of    2