Four people in protective clothing standing next to garbage bags.
The people are outside
Someone standing next to garbage bags may be inside rather than outside.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & to(e1,x4) & n_bag(x4) & of(x4,x5) & n_garbage(x5) & r_next(e1) & Actor(e1,x3) & v_stand(e1) & (x1 = x3) & in(x1,x2) & n_clothing(x2) & a_protective(s1) & Theme(s1,x2) & n_people(x1) & card_eq_4(x1))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_outside(s1))