Who is younger, the man or the girl?
The girl is younger than the man.
     src        edge_attr  dst
0      0  to the right of    1
1      0  to the right of    2
2      0  to the right of   15
3      0  to the right of    3
4      0   to the left of    4
..   ...              ...  ...
148   20   to the left of    6
149   21   to the left of    3
150   21   to the left of    7
151   21   to the left of   18
152   21   to the left of    6

[153 rows x 3 columns]