A female paints her nails red while sitting in a car.
A female is painting her nails on a long trip in the car.
A long trip in the car is completely different than simply sitting in a car which can be done while it is parked.
exists p1 s1 x1.(a_topic(x1) & exists e2 e1 p2 x2.(while(e1,e2) & in(e2,x2) & n_car(x2) & Actor(e2,x1) & v_sit(e2) & exists s2.(Theme(s2,x1) & a_red(s2)) & Topic(e1,p2) & Actor(e1,x1) & v_nail(e1)) & n_female(x1) & that(x1,p1) & n_paint(x1) & a_female(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4.(n_car(x4) & on(e1,x3) & in(x3,x4) & n_trip(x3) & a_long(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_nail(x2) & of(x2,x1) & n_female(x1) & n_female(x1))