Three individuals are scuba diving.
The people are all females.
three individuals need not be females.
exists p1 x1.(exists s1 x2.((x1 = x2) & n_diving(x2) & a_scuba(s1) & Theme(s1,x2)) & n_individual(x1) & card_eq_3(x1))
exists p1 x1.(n_people(x1) & all x2.(n_female(x2) -> (x1 = x2)))