What is chained to the fence?
The bike is chained to the fence.
     src        edge_attr  dst
0      0  to the right of    9
1      0  to the right of   16
2      0  to the right of    3
3      0  to the right of   11
4      0  to the right of   27
..   ...              ...  ...
141   29   to the left of    9
142   29   to the left of    3
143   29   to the left of   13
144   29   to the left of   10
145   29   to the left of   27

[146 rows x 3 columns]