Does the sky look cloudy and purple?
Yes, the sky is cloudy and purple.
   src        edge_attr  dst
0    1   to the left of    4
1    2   to the left of    4
2    3   to the left of    4
3    4  to the right of    3
4    4  to the right of    2
5    4  to the right of    5
6    4  to the right of    1
7    5   to the left of    4