What is the seat on?
The seat is on the scooter.
    src        edge_attr  dst
0     0               on    2
1     0   to the left of    5
2     0   to the left of    3
3     1               on    3
4     2   to the left of    4
5     2   to the left of    3
6     2   to the left of    6
7     2   to the left of    5
8     3  to the right of    2
9     3  to the right of    0
10    4  to the right of    2
11    5  to the right of    2
12    5  to the right of    0
13    6  to the right of    2