The trailer is white
There are people living in the trailer
We know nothing about the trailer except its color, so we have no way of knowing that there are people living in the trailer.
exists s1 x1.(n_trailer(x1) & Theme(s1,x1) & a_white(s1))
exists p1 x1 x4.(n_trailer(x4) & exists e1 x2 x3.((x1 = x2) & in(e1,x4) & Actor(e1,x3) & v_live(e1) & (x2 = x3) & n_people(x2)))