Several children and some adults are sitting on the floor.
There are people on the floor.
Both subjects are on the floor
exists e1 s1 x1 x2 x3 x4.(n_floor(x4) & on(e1,x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_adult(x3) & subset_of(x2,x1) & n_child(x2) & a_several(s1) & Theme(s1,x2))
exists p1 x1 x3.(n_floor(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_people(x2)))