On which side of the picture are the glasses?
The glasses are on the left of the image.
     src        edge_attr  dst
0      0          wearing   25
1      0          wearing    4
2      0          wearing   27
3      0   to the left of   21
4      0   to the left of    8
..   ...              ...  ...
162   31   to the left of   15
163   31   to the left of   29
164   31   to the left of   30
165   31  to the right of   19
166   31  to the right of   20

[167 rows x 3 columns]