A professional man wearing a coat and tie waiting to be served at a bar.
Two guys in t-shirts waiting for their beers.
Two guys does not mean that they are professional.
exists e1 e2 p1 s1 x1 x2 x3.(Topic(e2,p1) & Actor(e2,x3) & v_wait(e2) & exists e3 x4.(at(e3,x4) & n_bar(x4) & Theme(e3,x3) & v_serve(e3)) & n_tie(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_coat(x2) & n_man(x1) & a_professional(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & for(e1,x4) & n_beer(x4) & of(x4,x1) & n_thing(x1) & Actor(e1,x3) & v_wait(e1) & (x1 = x3) & in(x1,x2) & n_t-shirt(x2) & n_guy(x1) & card_eq_2(x1))