Three children , two girls and one boy , in martial art stances , standing on the hard-wood floor of a large room .
There is a very good chance that two girls and a boy compete for their martial arts competition .
There is almost no chance that two girls and a boy compete for their martial arts competition .
There is a very good chance that two girls and a boy compete for their martial arts competition .
Two girls and a boy compete for their martial arts competition .