Four people riding horses along beach.
The people are by the beach on a sunny day.
Not all people on the beach are there on a sunny day.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & along(x3,x4) & n_beach(x4) & n_horse(x3) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists p1 s1 x1 x2 x3.(n_beach(x3) & n_people(x1) & on(p1,x2) & n_day(x2) & a_sunny(s1) & Theme(s1,x2) & by(x1,x3))