two men are playing professional hockey
Some men play pro hockey
Pro is a short version of professional.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & a_professional(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & a_pro(s1) & Theme(s1,x2) & n_man(x1))