Are there any people to the left of the man that is in the center of the picture?
Yes, there is a person to the left of the man.
     src        edge_attr  dst
0      0   to the left of    1
1      0   to the left of   28
2      0   to the left of   11
3      0   to the left of   32
4      0   to the left of   12
..   ...              ...  ...
239   32  to the right of   11
240   32  to the right of   12
241   32  to the right of   13
242   32   to the left of   15
243   32   to the left of   16

[244 rows x 3 columns]