Is the bus to the right or to the left of the truck that the person is to the left of?
The bus is to the right of the truck.
     src        edge_attr  dst
0      1        on top of   18
1      1  to the right of   19
2      1   to the left of   17
3      1  to the right of   23
4      1  to the right of   22
..   ...              ...  ...
184   36   to the left of   17
185   37  to the right of   10
186   37  to the right of   16
187   37  to the right of   14
188   37  to the right of   23

[189 rows x 3 columns]