Do you see books on the table?
No, there is a plate on the table.
     src        edge_attr  dst
0      0               on   24
1      0   to the left of   12
2      0   to the left of    4
3      0  to the right of   23
4      0  to the right of   16
..   ...              ...  ...
193   34  to the right of   23
194   34  to the right of   21
195   34   to the left of   14
196   34   to the left of    4
197   34   to the left of    2

[198 rows x 3 columns]