Cheerleaders practice a routine while a few people look on.
girls practice for a competition.
Just because cheerleaders practice a routine does not mean it is for a competition.
(x)
exists x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_competition(x3) & n_practice(x1) & of(x1,x2) & n_girl(x2))