A girl in a white dress.
The girl is at her wedding.
A white dress can be worn at events other than a wedding.
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_dress(x2) & a_white(s1) & Theme(s1,x2) & n_girl(x1))
exists p1 x1 x2.(n_wedding(x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & at(x1,x2))