Bald man conducts an orchestra using a pencil.
A man conducts an orchestra of 20 people.
Not all orchestras have 20 people in them.
exists e1 e2 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_use(e2) & n_pencil(x4) & Theme(e1,x3) & Actor(e1,x1) & v_conduct(e1) & n_orchestra(x3) & n_man(x1) & (x1 = x2) & ne_nam_bald(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_conduct(e1) & of(x2,x3) & n_people(x3) & n_date(x3) & a_date_day_20(x3) & a_date_day_20(x3) & n_orchestra(x2) & n_man(x1))