Three people are watching a man working.
Three people are watching a man doing something.
Working is doing something.
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_man(x2) & n_people(x1) & card_eq_3(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_thing(x4) & (x2 = x3) & n_man(x2) & n_people(x1) & card_eq_3(x1))