Are there any cars or trucks?
Yes, there is a truck.
     src        edge_attr  dst
0      0          wearing   10
1      0          holding    2
2      0           eating    2
3      0          wearing   25
4      0       sitting at    8
..   ...              ...  ...
107   26  to the right of    7
108   26  to the right of    0
109   27  to the right of   10
110   27  to the right of    4
111   27  to the right of    3

[112 rows x 3 columns]