Is the black bag to the left or to the right of the van?
The bag is to the left of the van.
     src       edge_attr  dst
0      0  to the left of   10
1      0  to the left of   22
2      0  to the left of    8
3      0  to the left of    1
4      1  to the left of   29
..   ...             ...  ...
463   39  to the left of   26
464   39  to the left of   27
465   39  to the left of   29
466   39  to the left of    9
467   39  to the left of   31

[468 rows x 3 columns]