Is it an indoors or outdoors scene?
It is indoors.
   src        edge_attr  dst
0    0   to the left of    7
1    1   to the left of    7
2    2   to the left of    7
3    5  to the right of    7
4    7  to the right of    1
5    7  to the right of    2
6    7   to the left of    5
7    7  to the right of    0