Behind what vehicles is the building?
The building is behind the cars.
     src        edge_attr  dst
0      0          wearing    3
1      0          wearing   27
2      0          wearing    1
3      0      standing on   18
4      0  to the right of   21
..   ...              ...  ...
190   29  to the right of    8
191   30   to the left of    9
192   30  to the right of    0
193   30  to the right of   21
194   30  to the right of   12

[195 rows x 3 columns]