Which is older, the man or the kid?
The man is older than the kid.
    src        edge_attr  dst
0     0   to the left of   21
1     0   to the left of    1
2     0   to the left of   20
3     0   to the left of   19
4     1  to the right of   21
..  ...              ...  ...
95   28  to the right of   15
96   28   to the left of   17
97   29  to the right of    7
98   29   to the left of   17
99   29  to the right of    8

[100 rows x 3 columns]