On which side is the person?
The person is on the left of the image.
     src        edge_attr  dst
0      0   to the left of   19
1      0   to the left of   16
2      1   to the left of   14
3      3   to the left of   12
4      3   to the left of   15
..   ...              ...  ...
131   32   to the left of   20
132   32  to the right of    8
133   32   to the left of   12
134   32   to the left of   13
135   32  to the right of   18

[136 rows x 3 columns]