Seven people are wading in a natural pool.
There are eight people in the pool
There are either seven or eight people.
exists e1 s1 x1 x2.(in(e1,x2) & n_pool(x2) & a_natural(s1) & Theme(s1,x2) & Actor(e1,x1) & v_wade(e1) & n_people(x1) & card_eq_7(x1))
exists p1 x1 x2.(n_pool(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_people(x3) & card_eq_8(x3)))