What is the man on?
The man is on the motorcycle.
    src        edge_attr  dst
0     0  to the right of    2
1     2   to the left of    0
2     3               on   12
3     4  to the right of    5
4     5   to the left of    9
5     5   to the left of    4
6     5      in front of    6
7     6           behind    5
8     6               on    1
9     6   to the left of    9
10    9  to the right of    6
11    9               on    1
12    9  to the right of    5
13   10   to the left of   11
14   11  to the right of   10