Are there American flags or fire hydrants?
Yes, there is a fire hydrant.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    6
2     2   to the left of    4
3     2   to the left of    3
4     2   to the left of    0
5     3  to the right of    2
6     4  to the right of    7
7     4  to the right of    2
8     6   to the left of   11
9     6        parked on    9
10    6  to the right of    7
11    6   to the left of    1
12    6   to the left of    8
13    7   to the left of    6
14    7   to the left of    4
15    7   to the left of   11
16    7   to the left of    8
17    8  to the right of    7
18    8  to the right of    6
19   11  to the right of    7
20   11  to the right of    6