A group of people in purple and red shirts are working on a performance routine.
Some men are practicing.
The world people can include children and women and not always men.
exists e1 s1 s2 x1 x2 x3 x4 x5.(on(e1,x4) & n_routine(x4) & of(x4,x5) & n_performance(x5) & Actor(e1,x1) & v_work(e1) & of(x1,x2) & in(x2,x3) & n_shirt(x3) & a_red(s2) & Theme(s2,x3) & a_purple(s1) & Theme(s1,x3) & n_people(x2) & n_group(x1))
exists e1 x1.(Actor(e1,x1) & v_practice(e1) & n_man(x1))