Is the bus behind the large suitcase on top of the sidewalk?
Yes, the bus is behind the suitcase.
     src        edge_attr  dst
0      0           behind   12
1      0   to the left of   18
2      0   to the left of   26
3      0   to the left of   25
4      0   to the left of   21
..   ...              ...  ...
124   26  to the right of    5
125   26      in front of   19
126   26      in front of   20
127   26  to the right of    0
128   26  to the right of   15

[129 rows x 3 columns]