A group of young people walking with two talking on cellphones.
The young people are all female.
Not all young people are female.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & on(e2,x5) & n_cellphone(x5) & Actor(e2,x4) & v_talk(e2) & with(e1,x4) & n_thing(x4) & card_eq_2(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists p1 s1 x1.(n_people(x1) & a_young(s1) & Theme(s1,x1) & all x2.(n_female(x2) -> (x1 = x2)))