Are there either blue trains or trucks?
No, there is a truck but it is beige.
    src        edge_attr  dst
0     0  to the right of   11
1     0               by   11
2     1  to the right of   11
3     2         drawn on    3
4     3   to the left of   10
..  ...              ...  ...
91   25      in front of   11
92   25   to the left of   22
93   26  to the right of   23
94   26               of   11
95   26  to the right of   21

[96 rows x 3 columns]