People are sitting at every table in a cafe.
People are standing in line outside of a restaurant.
sitting  is not the same as  standing
exists e1 x1.(all x2.(n_table(x2) -> exists x3.(in(e1,x3) & n_cafe(x3) & at(e1,x2))) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists e1 x1 x2 x3.(of(e1,x3) & n_restaurant(x3) & r_outside(e1) & in(e1,x2) & n_line(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1))