A child is cleaning in the kitchen with a mop.
A kid is taking a nap.
One cannot be taking a nap and cleaning in the kitchen simultaneously.
exists e1 x1 x2 x3.(n_kitchen(x3) & in(e1,x3) & with(e1,x2) & n_mop(x2) & Actor(e1,x1) & v_clean(e1) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & n_kid(x1))