What is the person in front of?
The child is in front of the chair.
     src        edge_attr  dst
0      0   to the left of   12
1      0  to the right of    6
2      0        on top of   15
3      0            above   12
4      1               of    3
..   ...              ...  ...
149   28   to the left of    3
150   29  to the right of    3
151   29  to the right of   14
152   29  to the right of   23
153   29  to the right of   22

[154 rows x 3 columns]