What do the mug and the plate have in common?
The color, both the mug and the plate are white.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   16
2     0   to the left of   18
3     0  to the right of    9
4     0  to the right of    4
..  ...              ...  ...
81   18  to the right of    0
82   19  to the right of   15
83   19  to the right of    7
84   19  to the right of   16
85   20  to the right of   15

[86 rows x 3 columns]