Are there fences or trucks in the photograph?
Yes, there is a truck.
     src        edge_attr  dst
0      1  to the right of    4
1      1  to the right of   21
2      1  to the right of   17
3      1  to the right of   26
4      1   to the left of   25
..   ...              ...  ...
158   27  to the right of   26
159   27   to the left of   24
160   27  to the right of   23
161   27  to the right of    2
162   27  to the right of    6

[163 rows x 3 columns]