Two men waiting in the backseat of a car while the driver gets in to the driver's seat.
Two men are waiting to mug an unsuspecting driver.
Just because two men are in the backseat doesn't mean they are trying to mug the driver.
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_seat(x6) & of(x6,x5) & n_driver(x5) & n_driver(x5) & n_backseat(x3) & a_topic(x1) & exists e2 s1.(a_in(s1) & Manner(e2,s1) & to(e2,x6) & Actor(e2,x5) & v_get(e2)) & while(e1,p1) & in(e1,x3) & of(x3,x4) & n_car(x4) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_mug(e2) & n_driver(x2) & a_unsuspecting(s1) & Theme(s1,x2)) & n_man(x1) & card_eq_2(x1))