What color is the bicycle that is in the middle?
The bicycle is gray.
     src        edge_attr  dst
0      0  to the right of   15
1      0   to the left of   22
2      0   to the left of    9
3      0  to the right of    8
4      0   to the left of   14
..   ...              ...  ...
143   23  to the right of   13
144   23  to the right of   10
145   24  to the right of    8
146   24  to the right of   21
147   24  to the right of    7

[148 rows x 3 columns]