Three individuals are scuba diving.
Three people are scuba diving for treasure.
the three people need not scuba dive for treasure.
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 e1 p1 x1.(exists e2 x2.(for(e2,x2) & n_treasure(x2) & Actor(e2,x1) & v_dive(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_scuba(e1) & n_people(x1) & card_eq_3(x1))