Is the chair to the left or to the right of the man that is to the left of the woman?
The chair is to the left of the man.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of   11
2     0   to the left of   16
3     0   to the left of   15
4     0   to the left of   19
..  ...              ...  ...
85   19  to the right of    5
86   19  to the right of    7
87   20   to the left of    6
88   20  to the right of   18
89   20  to the right of   11

[90 rows x 3 columns]