An unhappy looking woman is holding a pair of sunglasses and food.
The woman does not have any eyewear.
The woman is not stated as being unhappy or happy in the sentence 2. In one sentence the woman has sunglasses and in the other sentence the women does not.
exists e2 e1 s1 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_hold(e2) & subset_of(x5,x2) & n_food(x5) & subset_of(x3,x2) & of(x3,x4) & n_sunglass(x4) & n_pair(x3) & n_woman(x1) & Actor(e1,x1) & v_look(e1) & a_unhappy(s1) & Theme(s1,x1))
exists x1.(n_woman(x1) & -all x2.(n_eyewear(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1))))