Who wears the glasses?
The people wear glasses.
    src        edge_attr  dst
0     0  to the right of   21
1     0  to the right of   18
2     0  to the right of   14
3     0   to the left of    5
4     1  to the right of    2
..  ...              ...  ...
82   21   to the left of   15
83   21   to the left of   16
84   21   to the left of    7
85   21   to the left of    6
86   21          wearing   18

[87 rows x 3 columns]