Seven people jumping into water.
People jump into water.
people are seven in number
exists e1 x1 x2 x3.(a_topic(x1) & into(e1,x3) & n_water(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_people(x1) & card_eq_7(x1))
exists e1 x1 x2.(into(e1,x2) & n_water(x2) & Actor(e1,x1) & v_jump(e1) & n_people(x1))