Two men in safety harnesses work together.
Two men are cleaning windows.
Working together does not mean they are cleaning windows.
exists e1 s1 x1 x2 x3.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_harness(x2) & of(x2,x3) & n_safety(x3) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_window(x2) & n_man(x1) & card_eq_2(x1))