What vehicle is the dog sitting inside of?
The dog is sitting inside the truck.
    src           edge_attr  dst
0     0     to the right of    2
1     0     to the right of    1
2     0     to the right of    7
3     1      to the left of    8
4     1      to the left of    0
5     1     to the right of    5
6     2      to the left of    0
7     3  parked in front of    1
8     3  parked in front of    0
9     5      to the left of    8
10    5      sitting inside    3
11    5              inside    3
12    5      to the left of    1
13    6      to the left of    8
14    7      to the left of    0
15    7      to the left of    8
16    8     to the right of    5
17    8     to the right of    1
18    8     to the right of    7
19    8     to the right of    6