Do you see any people to the left of the white van?
No, the person is to the right of the van.
     src        edge_attr  dst
0      0  to the right of   17
1      0  to the right of   16
2      0   to the left of   22
3      0   to the left of   18
4      0  to the right of    5
..   ...              ...  ...
169   30  to the right of    7
170   30               in   12
171   30  to the right of    1
172   30          holding   15
173   30  to the right of   10

[174 rows x 3 columns]