Person in checkered shirt and red pants riding a motorbike down a road.
The person is wearing plain clothes and is in a car.
A checkered shirt and red pants do not qualify as plain clothes and a motorbike is not a car.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(ne_geo_person(s1) & a_topic(s1) & in(s1,x1) & down(e1,x5) & n_road(x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_motorbike(x4) & (x1 = x3) & n_pants(x1) & a_red(s3) & Theme(s3,x1) & of(x1,x2) & n_shirt(x2) & a_checkered(s2) & Theme(s2,x1))
exists e1 p1 s1 x1 x2.(n_person(x1) & exists x3.(in(x1,x3) & n_car(x3)) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_clothes(x2) & a_plain(s1) & Theme(s1,x2))