Two males are sitting in back of a pick up truck.
Two males are sitting in the bed of a red pickup truck.
The pick-up truck the men are sitting in may not actually be red.
exists e1 x1 x2 x3 x4.(up(e1,x4) & n_truck(x4) & in(e1,x2) & of(x2,x3) & n_pick(x3) & n_back(x2) & Actor(e1,x1) & v_sit(e1) & n_male(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_bed(x2) & in(e1,x2) & of(x2,x3) & n_truck(x3) & of(x3,x4) & n_pickup(x4) & a_red(s1) & Theme(s1,x3) & Actor(e1,x1) & v_sit(e1) & n_male(x1) & card_eq_2(x1))