A child is cleaning in the kitchen with a mop.
A child is in the kitchen.
A child cleaning in the kitchen must be in the kitchen.
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 p1 x1 x2.(n_kitchen(x2) & in(x1,x2) & n_child(x1))