What is the man that is to the left of the students wearing?
The man is wearing glasses.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of   10
2     0  to the right of    5
3     0  to the right of    2
4     1   to the left of   10
..  ...              ...  ...
66   17               on   14
67   18  to the right of   10
68   19               on   18
69   19  to the right of   17
70   19  to the right of   10

[71 rows x 3 columns]