Are there any people to the left of the guy that is wearing a shirt?
No, the person is to the right of the guy.
     src        edge_attr  dst
0      0  to the right of   15
1      0  to the right of    4
2      0  to the right of    3
3      0  to the right of    2
4      0  to the right of    8
..   ...              ...  ...
100   18   to the left of    4
101   18   to the left of   15
102   18   to the left of    2
103   18          wearing    6
104   19  to the right of    6

[105 rows x 3 columns]