On which side are the people?
The people are on the right of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    5
2     0  to the right of    2
3     0   to the left of   13
4     0   to the left of    1
..  ...              ...  ...
92   15  to the right of    2
93   16   to the left of   17
94   16   to the left of   11
95   17  to the right of    9
96   17  to the right of   16

[97 rows x 3 columns]