Three people stand along the dock of a lake.
There are three people
There are only three people present
exists e1 x1 x2 x3.(n_dock(x2) & along(e1,x2) & of(x2,x3) & n_lake(x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_3(x1))
exists p1 x1 x2.((x1 = x2) & n_people(x2) & card_eq_3(x2))