The books are on what?
The books are on the bookshelf.
    src        edge_attr  dst
0     0   to the left of   17
1     0   to the left of    5
2     1   to the left of   16
3     1          wearing   14
4     1   to the left of    4
..  ...              ...  ...
91   17  to the right of    0
92   17   to the left of    4
93   18  to the right of    1
94   18  to the right of    7
95   18  to the right of   14

[96 rows x 3 columns]