Homosexuals dancing in showers.
The people are on swimming at the beach.
The subjects can either be dancing or swimming.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_shower(x3) & Actor(e1,x2) & v_dance(e1) & (x1 = x2) & n_homosexual(x1))
exists p1 x1 x2.(n_beach(x2) & n_people(x1) & at(p1,x2) & exists x3.(on(x1,x3) & n_swimming(x3)))