A man wearing a uniform is standing just inside the back of a delivery truck, while two other men are standing on the ground near the truck.
The three men work for UPS.
Not all delivery trucks are for UPS.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5 x6 x8.(n_ground(x8) & n_back(x4) & exists e3 x7.(on(e3,x8) & near(x8,x5) & Actor(e3,x7) & v_stand(e3) & -(x7 = x1) & n_man(x7) & card_eq_2(x7)) & n_truck(x5) & n_truck(x5) & n_man(x1) & n_man(x1) & while(e2,p1) & inside(e2,x4) & of(x4,x5) & of(x5,x6) & n_delivery(x6) & a_just(s1) & Manner(e2,s1) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_uniform(x3) & (x1 = x2))
exists e1 x1 x2.(ne_org_ups(x2) & n_man(x1) & card_eq_3(x1) & for(e1,x2) & Actor(e1,x1) & v_work(e1))