On which side is the passenger?
The passenger is on the right of the image.
     src        edge_attr  dst
0      0  to the right of   22
1      0  to the right of   12
2      1   to the left of   16
3      1  to the right of   14
4      1  to the right of   13
..   ...              ...  ...
146   20   to the left of    8
147   22   to the left of   14
148   22   to the left of   18
149   22   to the left of    0
150   22   to the left of   11

[151 rows x 3 columns]