three men ride in a dingy.
Three men are riding a train.
The men are either riding a dingy or a train.
exists e1 x1 x2.(in(e1,x2) & n_dingy(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_train(x2) & n_man(x1) & card_eq_3(x1))