What is the vehicle that that trailer is pulled by?
The vehicle is a SUV.
    src        edge_attr  dst
0     1  to the right of    7
1     1  to the right of    9
2     1  to the right of   17
3     3  to the right of    5
4     3   to the left of   15
..  ...              ...  ...
59   17   to the left of    4
60   17   to the left of   14
61   17  to the right of   11
62   17   to the left of    9
63   17   to the left of    1

[64 rows x 3 columns]