A girl is writing something in paper.
A girl is drawing in a notepad.
Sentence 1 specifies that a girl is writing on paper and not drawing in a notepad.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_write(e1) & in(x2,x3) & n_paper(x3) & n_thing(x2) & n_girl(x1))
exists e1 x1 x2.(in(e1,x2) & n_notepad(x2) & Actor(e1,x1) & v_draw(e1) & n_girl(x1))