A large group of people are riding on a blue roller coaster.
They are noisy.
Not everyone who rides a roller coaster is noisy. Some people are very quiet.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x3) & n_coaster(x3) & of(x3,x4) & n_roller(x4) & a_blue(s2) & Theme(s2,x3) & Actor(e1,x1) & v_ride(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))
exists s1 x1.(n_thing(x1) & Theme(s1,x1) & a_noisy(s1))