Are there either fire hydrants or fences in this photo?
Yes, there is a fence.
    src       edge_attr  dst
0     0          behind   17
1     1              on   10
2     1            near    3
3     1              on   11
4     1  to the left of    3
..  ...             ...  ...
78   16  to the left of    8
79   17     in front of    0
80   18  to the left of    1
81   18  to the left of    3
82   18  to the left of    5

[83 rows x 3 columns]