What is on the white pole?
The American flag is on the pole.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of    4
2     0   to the left of    1
3     1   to the left of    4
4     1  to the right of    0
5     3               on    7
6     3   to the left of    4
7     4  to the right of    0
8     4  to the right of    3
9     4  to the right of    1
10    4  to the right of    7
11    4  to the right of    6
12    5  to the right of    7
13    6   to the left of    4
14    7   to the left of    5
15    7   to the left of    4