On which side is the boy?
The boy is on the right of the image.
     src        edge_attr  dst
0      0   to the left of   18
1      0   to the left of    8
2      1   to the left of    3
3      1   to the left of   15
4      1  to the right of   23
..   ...              ...  ...
135   25  to the right of   23
136   25   to the left of    5
137   26  to the right of    8
138   26   to the left of    3
139   26  to the right of   22

[140 rows x 3 columns]