What are the men to the left of the glasses looking at?
The men are looking at the monitor.
     src        edge_attr  dst
0      0   to the left of   18
1      0   to the left of   11
2      1   to the left of   11
3      1   to the left of   27
4      2   to the left of   15
..   ...              ...  ...
101   26   to the left of   10
102   26  to the right of   13
103   26  to the right of   19
104   26  to the right of   22
105   27  to the right of    1

[106 rows x 3 columns]