The woman is wearing a purple shirt and red sunglasses while her friend wears an orange shirt.
The woman in purple is not wearing sunglasses.
The woman is wearing red sunglasses, so she cannot also be not wearing sunglasses.
exists e1 p1 s1 s2 x1 x2 x3 x4 x5.(n_friend(x5) & of(x5,x1) & n_female(x1) & n_woman(x1) & exists e2 x6 x7.(Theme(e2,x6) & Actor(e2,x5) & v_wear(e2) & n_shirt(x6) & of(x6,x7) & n_orange(x7)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & subset_of(x4,x2) & n_sunglass(x4) & a_red(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_shirt(x3) & a_purple(s1) & Theme(s1,x3))
exists x1 x2.(n_woman(x1) & -exists e1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_sunglass(x3)) & in(x1,x2) & n_purple(x2))