Are there both fire trucks and cars in the photo?
Yes, there are both a fire truck and a car.
     src        edge_attr  dst
0      0               on   12
1      0               on   10
2      1  to the right of    9
3      1  to the right of    6
4      1  to the right of   18
..   ...              ...  ...
106   18   to the left of   13
107   18   to the left of   17
108   18   to the left of    2
109   18   to the left of   14
110   19   to the left of    1

[111 rows x 3 columns]