The three firemen are talking near the two red firetrucks.
Firemen converse near some firetrucks.
Converse means talk.
exists e1 s1 x1 x2.(n_firetruck(x2) & a_red(s1) & Theme(s1,x2) & card_eq_2(x2) & n_fireman(x1) & card_eq_3(x1) & near(e1,x2) & Actor(e1,x1) & v_talk(e1))
exists x1 x2 x3.(a_topic(x1) & near(x1,x3) & n_firetruck(x3) & n_converse(x1) & (x1 = x2) & ne_nam_firemen(x2))