How is the vehicle that is to the left of the man who holds the bag called?
The vehicle is a train.
    src        edge_attr  dst
0     1          leaving   18
1     3  to the right of   18
2     4  to the right of   17
3     4   to the left of    9
4     4   to the left of   18
..  ...              ...  ...
59   18   to the left of   10
60   18   to the left of   11
61   18               in   13
62   18   to the left of    5
63   18  to the right of    4

[64 rows x 3 columns]