A woman has her sunglasses on her head.
a woman at the beach
If she has her sunglasses on her head, she is not at the beach.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & on(x2,x3) & n_head(x3) & of(x3,x1) & n_female(x1) & n_female(x1) & n_sunglass(x2) & of(x2,x1) & n_woman(x1))
exists x1 x2.(n_beach(x2) & a_topic(x1) & at(x1,x2) & n_woman(x1))