A chef in a white coat is signing a book
A chef is signing a book.
Chef in a white coat is a type of chef.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_sign(e1) & n_book(x3) & in(x1,x2) & n_coat(x2) & a_white(s1) & Theme(s1,x2) & n_chef(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sign(e1) & n_book(x2) & n_chef(x1))