Who is holding the telephone to the right of the book?
The passengers are holding the telephone.
     src        edge_attr  dst
0      0  to the right of   23
1      0   to the left of   22
2      0   to the left of    6
3      0   to the left of   24
4      1  to the right of   25
..   ...              ...  ...
288   42   to the left of   43
289   43   to the left of   24
290   43   to the left of   22
291   43  to the right of   42
292   43  to the right of   23

[293 rows x 3 columns]