Is the tap to the left or to the right of the appliance that is to the left of the horse?
The tap is to the left of the coffee machine.
    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]