A young woman getting her haircut.
The woman is wearing a ballcap.
Sentence 1 has a young woman, Sentence 2 just says woman with no mention of age. Sentence 1 has her getting a haircut where Sentence 2 has the woman wearing a cap
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_get(e1) & n_haircut(x3) & of(x3,x1) & n_female(x1) & (x1 = x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_ballcap(x2))