Who is riding?
The children are riding.
     src        edge_attr  dst
0      0           behind   16
1      0   to the left of   14
2      0  to the right of   26
3      2   to the left of    7
4      2   to the left of    3
..   ...              ...  ...
198   31  to the right of   24
199   31  to the right of   30
200   32   to the left of   22
201   32   to the left of    4
202   32   to the left of   15

[203 rows x 3 columns]