What do you think is the vehicle that the man is on?
The vehicle is a trailer.
    src        edge_attr  dst
0     0             near    1
1     0            below    6
2     1   to the left of   13
3     1          next to    0
4     1   to the left of    3
5     2   to the left of    3
6     3  to the right of    2
7     3  to the right of    1
8     4               on    0
9     4          wearing    8
10    4          wearing   10
11    7   on the back of    0
12    7   to the left of   11
13    7   to the left of    9
14    9  to the right of    7
15   11  to the right of    7
16   12  to the right of   13
17   13   to the left of   12
18   13  to the right of    1