Is the chair to the left or to the right of the person that is wearing a belt?
The chair is to the left of the person.
     src        edge_attr  dst
0      0   to the left of   34
1      0   to the left of    3
2      0  to the right of    1
3      0  to the right of   15
4      1   to the left of    0
..   ...              ...  ...
138   35  to the right of   18
139   35  to the right of   19
140   35  to the right of    2
141   35  to the right of    3
142   35  to the right of    4

[143 rows x 3 columns]