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