A man wrote "who are you?".
The writing was on a notepad
Not all writing was on a notepad.
exists e1 p1 x1 x2 x3.(a_topic(x1) & (x3 = x1) & n_person(x1) & (x1 = x3) & Actor(e1,x2) & v_write(e1) & (x1 = x2) & n_man(x1))
exists p1 x1.(n_writing(x1) & exists x2.(on(x1,x2) & n_notepad(x2)))