Are there people to the left of the trashcan by the benches?
No, the people are to the right of the trashcan.
     src        edge_attr  dst
0      0   to the left of   35
1      0   to the left of   20
2      0   to the left of   14
3      0   to the left of   33
4      0   to the left of   32
..   ...              ...  ...
168   35  to the right of    1
169   35  to the right of   24
170   35  to the right of    0
171   35   to the left of   14
172   35  to the right of   12

[173 rows x 3 columns]