Are the books to the left of the chair in the classroom?
Yes, the books are to the left of the chair.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of    7
2      1  to the right of   13
3      1  to the right of   11
4      1  to the right of   21
..   ...              ...  ...
161   29  to the right of   13
162   29   to the left of   16
163   29   to the left of   19
164   29  to the right of   21
165   29  to the right of   22

[166 rows x 3 columns]