A couple gets on their hands and knees to scrub the floor.
A couple scrub the floor.
The couple gets on their hands and knees in order to scrub the floor.
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_floor(x6) & Topic(e1,p1) & exists e2.(Theme(e2,x6) & Actor(e2,x1) & v_scrub(e2)) & on(e1,x3) & n_knee(x5) & n_hand(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_get(e1) & n_couple(x2) & n_couple(x1))
exists e1 x1 x2.(n_floor(x2) & Theme(e1,x2) & Actor(e1,x1) & v_scrub(e1) & n_couple(x1))