Is there a chair to the right of the red book?
No, there is a magazine to the right of the book.
     src        edge_attr  dst
0      0   to the left of    1
1      0  to the right of   13
2      0   to the left of    9
3      0   to the left of   15
4      0  to the right of   14
..   ...              ...  ...
154   23  to the right of   13
155   23   to the left of    9
156   23   to the left of   16
157   23  to the right of   19
158   23  to the right of   20

[159 rows x 3 columns]