Two men working on a tractor wearing hard hats.
Two men are having a romantic dinner.
Two men cannot be having dinner and be working on a tractor simultaneously.
exists e1 e2 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & n_hat(x5) & a_hard(s1) & Theme(s1,x5) & (x3 = x4) & n_tractor(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_dinner(x2) & a_romantic(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))