With no explanation, chose the best option from "A" or "B". Tom will run a public soccer game for the neighborhood kids today, at a local park. Tom needs to organize the kids into teams.

A: Tom puts papers in a hat, with one or two written on each, and every child picks a number at random to be assigned to a team.
B: Noticing about the same number of boys and girls, Tom tells them to split into two teams with boys on one team and girls on the other.
A.