A group of people are standing outside next to a gold colored truck.
Some people are outside, standing next to a vehicle.
If people are standing outside than they are outside.  A truck is a specific type of vehicle.
exists e1 e2 s1 x1 x2 x3 x4.(to(e1,x3) & n_truck(x3) & Theme(e2,x3) & v_color(e2) & of(x3,x4) & n_gold(x4) & r_next(e1) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2.(for(s1,e1) & to(e1,x2) & n_vehicle(x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & Theme(s1,x1) & a_outside(s1) & n_people(x1))