Three people relax on the grass near large rocks.
the people are women
Women are not the only people who relax on the grass; gender cannot be implied by the setting or the act.
exists e1 s1 x1 x2 x3.(n_grass(x2) & near(e1,x3) & n_rock(x3) & a_large(s1) & Theme(s1,x3) & on(e1,x2) & Actor(e1,x1) & v_relax(e1) & n_people(x1) & card_eq_3(x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_woman(x2)))