Is the flag to the left or to the right of the people the boat is filled with?
The flag is to the left of the people.
     src        edge_attr  dst
0      1   to the left of    6
1      2      filled with   10
2      2               in    0
3      2   to the left of    5
4      3  to the right of   14
..   ...              ...  ...
105   21   to the left of   18
106   21   to the left of   14
107   21   to the left of   22
108   22   to the left of    5
109   22  to the right of   21

[110 rows x 3 columns]