A young girl vacuuming while two boys watch her.
A girl sits with two boys
Vacuuming cannot be done while sitting.
exists e1 p1 s1 x1 x2.(a_topic(x1) & exists e2 x3.(Theme(e2,x1) & Actor(e2,x3) & v_watch(e2) & n_boy(x3) & card_eq_2(x3)) & n_female(x1) & while(e1,p1) & Actor(e1,x2) & v_vacuum(e1) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(with(e1,x2) & n_boy(x2) & card_eq_2(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))