an older female checking her watch.
She is not wearing a watch.
If she is checking her watch, then that usually implies that she is wearing a watch so it would be untrue to say that she is not.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_check(e1) & n_watch(x3) & of(x3,x1) & n_female(x1) & (x1 = x2) & n_female(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists x1.(n_female(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_watch(x2)))