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    2
1    0   to the left of    1
2    0   to the left of    3
3    1  to the right of    2
4    1  to the right of    0
5    2  to the right of    0
6    2   to the left of    3
7    2   to the left of    1
8    3  to the right of    2
9    3  to the right of    0