What item of furniture are the boxes on?
The boxes are on the shelf.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    4
2     0   to the left of    7
3     1  to the right of   16
4     1  to the right of   15
..  ...              ...  ...
74   19   to the left of   17
75   20   to the left of   12
76   20   to the left of   14
77   20  to the right of   18
78   20   to the left of   17

[79 rows x 3 columns]