A young girl plays outside.
The girl is playing make believe.
Just because A young girl plays outside does not indicate that The girl is playing make believe.
exists e1 s1 s2 x1.(a_outside(s2) & Manner(e1,s2) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 e2 p1 x1 x2.(n_girl(x1) & Actor(e2,x1) & v_believe(e2) & exists e3.(Actor(e3,x2) & v_make(e3)) & Topic(e1,p1) & Actor(e1,x2) & v_play(e1) & (x1 = x2))