Two people with dreadlocks.
There are two Rastafarians.
Not all people with dreadlocks are necessarily be Rastafarians.
exists x1 x2.(a_topic(x1) & with(x1,x2) & n_dreadlock(x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x2.((x1 = x2) & n_rastafarian(x2) & card_eq_2(x2))