Who waits for the bus?
The couple waits for the bus.
     src        edge_attr  dst
0      0  to the right of   14
1      0  to the right of    9
2      0  to the right of   13
3      0  to the right of   12
4      0  to the right of   10
..   ...              ...  ...
123   17  to the right of   11
124   17  to the right of   12
125   17  to the right of   13
126   17  to the right of    3
127   17  to the right of   14

[128 rows x 3 columns]