Are the people to the right or to the left of the train engine that looks red and white?
The people are to the left of the locomotive.
     src        edge_attr  dst
0      0  to the right of    9
1      0   to the left of   16
2      0  to the right of   11
3      0  to the right of   19
4      0  to the right of    3
..   ...              ...  ...
109   19   to the left of    5
110   19   to the left of   16
111   20  to the right of   12
112   20   to the left of    6
113   20   to the left of    9

[114 rows x 3 columns]