Is the sky both blue and clear?
Yes, the sky is blue and clear.
   src        edge_attr  dst
0    1  to the right of    4
1    1  to the right of    3
2    3  to the right of    4
3    3   to the left of    1
4    4   to the left of    3
5    4   to the left of    1
6    6        riding on    4
7    6          wearing    3
8    6               on    4