Two young girls with dyed hair talk to two boys in black.
Four people are conversing with one another.
Two young girls and two boys are four people. talk is  a synonym of conversation.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & to(x2,x4) & in(x4,x5) & n_black(x5) & n_boy(x4) & card_eq_2(x4) & n_talk(x2) & of(x2,x3) & n_hair(x3) & a_dyed(s2) & Theme(s2,x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_thing(x2) & card_eq_1(x2) & a_another(s1) & Theme(s1,x2) & Actor(e1,x1) & v_converse(e1) & n_people(x1) & card_eq_4(x1))