Is the carriage to the left or to the right of the person that is walking on the road?
The carriage is to the left of the person.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     2   to the left of   10
3     2   to the left of    5
4     3   to the left of    5
5     3   to the left of    6
6     4   to the left of    7
7     5       walking on    4
8     5  to the right of    3
9     5  to the right of    2
10    5  to the right of    6
11    6  to the right of    3
12    6   to the left of    5
13    7  to the right of    4
14    9               on    8
15   10  to the right of    2