Three people in a field of brown plants.
people are inside a building
Field and inside of a building are different places.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & of(x2,x3) & n_plant(x3) & a_brown(s1) & Theme(s1,x3) & n_field(x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1.(exists x2.(inside(x1,x2) & n_building(x2)) & n_people(x1))