Who is younger, the woman or the boy?
The boy is younger than the woman.
   src        edge_attr  dst
0    0               in    2
1    1  to the right of   10
2    3   to the left of    4
3    4  to the right of    3
4    8               in   12
5    9   to the left of   10
6    9               on    6
7   10  to the right of    9
8   10   to the left of    1