Are there boys to the left of the man that is wearing a vest?
Yes, there is a boy to the left of the man.
     src        edge_attr  dst
0      0  to the right of    6
1      0  to the right of    5
2      0   to the left of   18
3      0   to the left of   12
4      0  to the right of   29
..   ...              ...  ...
233   30   to the left of    2
234   30   to the left of   14
235   30   to the left of    5
236   30   to the left of   27
237   30   to the left of   16

[238 rows x 3 columns]