A group of people building a tree house.
People are sitting indoors reading.
You cannot be building a tree house while also sitting indoors.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_build(e1) & n_house(x4) & of(x4,x5) & n_tree(x5) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 e2 x1 x2 x3.(for(e1,e2) & Time(e2,x3) & n_indoor(x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_thing(x2) & n_people(x1))