The people dressed in all white are having a good time.
The group of people enjoy their time at the wedding
It can be any function like wedding, birthday party, meeting etc.
exists e1 e2 s1 x1 x2 x3.(n_people(x1) & Theme(e2,x3) & Actor(e2,x1) & v_have(e2) & n_time(x3) & a_good(s1) & Theme(s1,x3) & all x4.(n_white(x4) -> in(e1,x4)) & Theme(e1,x2) & v_dress(e1) & (x1 = x2))
exists e1 x1 x2 x3 x4.(n_wedding(x4) & n_time(x3) & of(x3,x1) & n_thing(x1) & n_group(x1) & Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & at(x3,x4) & of(x1,x2) & n_people(x2))