A man and a woman are standing on the curb.
Three girls hula hoop at recess.
There can either be a man and woman or three girls.
exists e1 x1 x2 x3 x4.(n_curb(x4) & on(e1,x4) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_recess(x3) & n_hoop(x1) & a_hula(s1) & Theme(s1,x1) & of(x1,x2) & n_girl(x2) & card_eq_3(x1))