Is the iron fence to the right or to the left of the van on the right?
The fence is to the left of the van.
     src        edge_attr  dst
0      0   to the left of   26
1      0  to the right of    1
2      0  to the right of   10
3      0  to the right of    7
4      1  to the right of   30
..   ...              ...  ...
136   36   to the left of   32
137   36   to the left of    9
138   36   to the left of    4
139   36   to the left of   15
140   36   to the left of   12

[141 rows x 3 columns]