Is the young person to the left or to the right of the silver knife?
The lady is to the left of the knife.
    src        edge_attr  dst
0     2  to the right of    4
1     2  to the right of    8
2     3   to the left of   12
3     3  to the right of    4
4     4   to the left of    2
5     4   to the left of    3
6     4   to the left of   11
7     4   to the left of   10
8     6   to the left of   11
9     8   to the left of    2
10   10  to the right of    4
11   11  to the right of    6
12   11  to the right of    4
13   11   to the left of   12
14   12  to the right of    3
15   12  to the right of   11