What is hanging on the wall?
The flag is hanging on the wall.
   src        edge_attr  dst
0    0       hanging on    1
1    0  to the right of    5
2    2  to the right of    3
3    2  to the right of    4
4    3  to the right of    4
5    3   to the left of    2
6    4   to the left of    2
7    4   to the left of    3
8    5     covered with    5
9    5   to the left of    0