A person is swimming underwater in a pool.
Two swimmers are competing.
two swimmers are more then one person
exists e1 x1 x2 x3.(in(e1,x3) & n_pool(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_underwater(x2) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_compete(e1) & n_swimmer(x1) & card_eq_2(x1))