three men ride in a dark blue car.
The three men are on a mission.
The first sentence doesn't mention that the men are on a mission.
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_car(x2) & a_blue(s2) & Theme(s2,x2) & a_dark(s1) & Theme(s1,x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(n_man(x1) & card_eq_3(x1) & exists x2.(on(x1,x2) & n_mission(x2)))