Who is wearing headphones?
The passenger is wearing headphones.
     src        edge_attr  dst
0      0   to the left of    8
1      0   to the left of    7
2      0   to the left of   13
3      0   to the left of   17
4      0  to the right of    1
..   ...              ...  ...
143   22   to the left of   13
144   22   to the left of   15
145   22   to the left of    0
146   22   to the left of    1
147   22   to the left of    4

[148 rows x 3 columns]