Two males are sitting in back of a pick up truck.
Two males are relaxing in the bed of a pickup.
Relaxing in the bed can be done by sitting in the back.
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 x1 x2 x3.(n_bed(x2) & in(e1,x2) & of(x2,x3) & n_pickup(x3) & Actor(e1,x1) & v_relax(e1) & n_male(x1) & card_eq_2(x1))