A couple enjoying a glass of white wine.
The couple are celebrating their anniversary.
They could be enjoying the wine for any reason, not just because they are celebrating their anniversary.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & of(x3,x4) & n_wine(x4) & a_white(s1) & Theme(s1,x4) & n_glass(x3) & (x1 = x2) & n_couple(x1))
exists e1 x1 x2.(n_anniversary(x2) & of(x2,x1) & n_thing(x1) & n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_celebrate(e1))