Who is lying?
The man is lying.
   src        edge_attr  dst
0    0  to the right of    3
1    0   to the left of    9
2    3   to the left of    0
3    3   to the left of    9
4    8   to the left of    9
5    9  to the right of    0
6    9  to the right of    3
7    9  to the right of    8