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