What is on the pole?
The American flag is on the pole.
    src        edge_attr  dst
0     0   to the left of    8
1     1               on    9
2     1   to the left of    9
3     4  to the right of    6
4     4  to the right of    9
5     5   to the left of    8
6     6  to the right of    8
7     6   to the left of    9
8     6   to the left of    4
9     8   to the left of    9
10    8  to the right of    0
11    8  to the right of    5
12    8   to the left of    6
13    8               by    5
14    9  to the right of    6
15    9   to the left of    4
16    9  to the right of    1
17    9  to the right of    8