What do both the kettle and the coffee machine have in common?
The color, both the kettle and the coffee machine are black.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    3
2     0   to the left of   14
3     0   to the left of    6
4     0   to the left of    1
..  ...              ...  ...
73   19   to the left of   17
74   19  to the right of   13
75   19   to the left of    5
76   19  to the right of    4
77   19  to the right of   11

[78 rows x 3 columns]