What is the vehicle on the beach?
The vehicle is a bus.
    src        edge_attr  dst
0     2           inside   11
1     2   to the left of    8
2     2   to the left of    5
3     2  to the right of    9
4     2   to the left of   10
5     4   to the left of    5
6     5  to the right of    4
7     5  to the right of    2
8     8  to the right of    2
9     8  to the right of    9
10    8        parked on    6
11    9   to the left of   10
12    9   to the left of    8
13    9   to the left of    2
14   10  to the right of    9
15   10  to the right of    2
16   11               on    6