Where is the man?
The man is in the wagon.
    src        edge_attr  dst
0     2   to the left of    9
1     2   to the left of    5
2     2               of    3
3     3               in    7
4     5  to the right of    2
5     5   to the left of    9
6     8  to the right of   10
7     9  to the right of    2
8     9  to the right of    5
9    10   to the left of    8
10   10  to the right of   11
11   11   to the left of   10