a young girl reading a literary classic "to kill a mockingbird".
A girl is sitting in the park.
The first sentence says a young girl, the second sentence just says girl.
exists e1 p1 s1 s2 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_read(e1) & Topic(x3,p1) & exists e2 s3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_kill(e2) & n_mockingbird(x4) & a_''(s3) & Theme(s3,x4)) & n_classic(x3) & a_literary(s2) & Theme(s2,x3) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_park(x2) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))