What is this book on?
The book is on the table.
   src        edge_attr  dst
0    0   to the left of    9
1    1               on    7
2    2  to the right of   10
3    3               on    2
4    3  to the right of   10
5    9  to the right of    0
6   10   to the left of    2
7   10   to the left of    3