Two men are riding in a big yellow truck.
A little boy is playing with a toy boat.
Two men can never be a little boy and while one is riding a truck the other is playing with a boat.
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_truck(x2) & a_yellow(s2) & Theme(s2,x2) & a_big(s1) & Theme(s1,x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(with(e1,x2) & n_boat(x2) & of(x2,x3) & n_toy(x3) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))