Are there any books to the right of the drawer?
Yes, there are books to the right of the drawer.
    src        edge_attr  dst
0     0   to the left of   31
1     0   to the left of   28
2     1   to the left of   17
3     2  to the right of    3
4     2   to the left of   21
..  ...              ...  ...
89   30  to the right of   29
90   30   to the left of   15
91   31   to the left of    5
92   31   to the left of   25
93   31  to the right of    0

[94 rows x 3 columns]