On which side are the people, the right or the left?
The people are on the left of the image.
     src        edge_attr  dst
0      0               on    3
1      0   to the left of   14
2      0   to the left of    9
3      0   to the left of    1
4      0   to the left of    8
..   ...              ...  ...
112   23  to the right of    8
113   23  to the right of    7
114   23  to the right of   12
115   23  to the right of   11
116   23   to the left of   16

[117 rows x 3 columns]