What color is the chair at the table?
The chair is brown.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of   15
2     0   to the left of    5
3     1               on    3
4     1   to the left of    7
..  ...              ...  ...
63   22               at   23
64   22  to the right of    6
65   22   to the left of   13
66   22   to the left of   21
67   23  to the right of   11

[68 rows x 3 columns]